Finding the Fourth Proportional to 2,209,049,073.81, 3,048,552,509.72 and 1,205,531,435.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209,049,073.81 : 3,048,552,509.72 = 1,205,531,435.52 : x
2. Step 2: Convert to fraction form
   2,209,049,073.81/3,048,552,509.72 = 1,205,531,435.52/x
3. Step 3: Cross multiply
   2,209,049,073.81x = 3,048,552,509.72 × 1,205,531,435.52
4. Step 4: Simplify right side
   2,209,049,073.81x = 3,675,125,883,300,850,176
5. Step 5: Solve for x
   x = 3,675,125,883,300,850,176/2,209,049,073.81
6. Step 6: Final answer
   x = 1,663,668,737.32