Finding the Fourth Proportional to 2,139,460,868.72, 3,209,411,436.06 and 740,442,685.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,460,868.72 : 3,209,411,436.06 = 740,442,685.16 : x
2. Step 2: Convert to fraction form
   2,139,460,868.72/3,209,411,436.06 = 740,442,685.16/x
3. Step 3: Cross multiply
   2,139,460,868.72x = 3,209,411,436.06 × 740,442,685.16
4. Step 4: Simplify right side
   2,139,460,868.72x = 2,376,385,221,499,478,016
5. Step 5: Solve for x
   x = 2,376,385,221,499,478,016/2,139,460,868.72
6. Step 6: Final answer
   x = 1,110,740,213.22