Finding the Fourth Proportional to 37,908,353.57, 52,309,032.32 and 21,387,515.00

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908,353.57 : 52,309,032.32 = 21,387,515.00 : x
2. Step 2: Convert to fraction form
   37,908,353.57/52,309,032.32 = 21,387,515.00/x
3. Step 3: Cross multiply
   37,908,353.57x = 52,309,032.32 × 21,387,515.00
4. Step 4: Simplify right side
   37,908,353.57x = 1,118,760,213,171,408.38
5. Step 5: Solve for x
   x = 1,118,760,213,171,408.38/37,908,353.57
6. Step 6: Final answer
   x = 29,512,234.32