Finding the Fourth Proportional to 37,784,928,801.61, 56,685,353,205.99 and 12,257,083,862.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,784,928,801.61 : 56,685,353,205.99 = 12,257,083,862.16 : x
2. Step 2: Convert to fraction form
   37,784,928,801.61/56,685,353,205.99 = 12,257,083,862.16/x
3. Step 3: Cross multiply
   37,784,928,801.61x = 56,685,353,205.99 × 12,257,083,862.16
4. Step 4: Simplify right side
   37,784,928,801.61x = 694,797,128,002,088,468,480
5. Step 5: Solve for x
   x = 694,797,128,002,088,468,480/37,784,928,801.61
6. Step 6: Final answer
   x = 18,388,207,945.29