Finding the Fourth Proportional to 2,139,460,869.72, 3,209,411,437.56 and 740,442,686.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,460,869.72 : 3,209,411,437.56 = 740,442,686.16 : x
2. Step 2: Convert to fraction form
   2,139,460,869.72/3,209,411,437.56 = 740,442,686.16/x
3. Step 3: Cross multiply
   2,139,460,869.72x = 3,209,411,437.56 × 740,442,686.16
4. Step 4: Simplify right side
   2,139,460,869.72x = 2,376,385,225,819,553,280
5. Step 5: Solve for x
   x = 2,376,385,225,819,553,280/2,139,460,869.72
6. Step 6: Final answer
   x = 1,110,740,214.72