Finding the Fourth Proportional to 1,082,705,978.17, 1,623,798,930.07 and 499,880,243.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082,705,978.17 : 1,623,798,930.07 = 499,880,243.13 : x
2. Step 2: Convert to fraction form
   1,082,705,978.17/1,623,798,930.07 = 499,880,243.13/x
3. Step 3: Cross multiply
   1,082,705,978.17x = 1,623,798,930.07 × 499,880,243.13
4. Step 4: Simplify right side
   1,082,705,978.17x = 811,705,003,952,152,192
5. Step 5: Solve for x
   x = 811,705,003,952,152,192/1,082,705,978.17
6. Step 6: Final answer
   x = 749,700,306.75