Finding the Fourth Proportional to 2,578,272,753.36, 3,865,825,320.18 and 1,002,543,327.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,272,753.36 : 3,865,825,320.18 = 1,002,543,327.25 : x
2. Step 2: Convert to fraction form
   2,578,272,753.36/3,865,825,320.18 = 1,002,543,327.25/x
3. Step 3: Cross multiply
   2,578,272,753.36x = 3,865,825,320.18 × 1,002,543,327.25
4. Step 4: Simplify right side
   2,578,272,753.36x = 3,875,657,379,060,553,728
5. Step 5: Solve for x
   x = 3,875,657,379,060,553,728/2,578,272,753.36
6. Step 6: Final answer
   x = 1,503,199,137.49