Finding the Fourth Proportional to 2,116,588,426.61, 2,921,055,641.67 and 1,269,847,614.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,588,426.61 : 2,921,055,641.67 = 1,269,847,614.74 : x
2. Step 2: Convert to fraction form
   2,116,588,426.61/2,921,055,641.67 = 1,269,847,614.74/x
3. Step 3: Cross multiply
   2,116,588,426.61x = 2,921,055,641.67 × 1,269,847,614.74
4. Step 4: Simplify right side
   2,116,588,426.61x = 3,709,295,539,082,864,128
5. Step 5: Solve for x
   x = 3,709,295,539,082,864,128/2,116,588,426.61
6. Step 6: Final answer
   x = 1,752,487,867.96