Finding the Fourth Proportional to 2,109,142,861.92, 3,161,499,658.16 and 709,641,298

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,142,861.92 : 3,161,499,658.16 = 709,641,298 : x
2. Step 2: Convert to fraction form
   2,109,142,861.92/3,161,499,658.16 = 709,641,298/x
3. Step 3: Cross multiply
   2,109,142,861.92x = 3,161,499,658.16 × 709,641,298
4. Step 4: Simplify right side
   2,109,142,861.92x = 2,243,530,721,043,218,688
5. Step 5: Solve for x
   x = 2,243,530,721,043,218,688/2,109,142,861.92
6. Step 6: Final answer
   x = 1,063,716,811.96