Finding the Fourth Proportional to 2,578,272,756.41, 3,865,825,324.78 and 1,002,543,330.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,272,756.41 : 3,865,825,324.78 = 1,002,543,330.31 : x
2. Step 2: Convert to fraction form
   2,578,272,756.41/3,865,825,324.78 = 1,002,543,330.31/x
3. Step 3: Cross multiply
   2,578,272,756.41x = 3,865,825,324.78 × 1,002,543,330.31
4. Step 4: Simplify right side
   2,578,272,756.41x = 3,875,657,395,501,678,592
5. Step 5: Solve for x
   x = 3,875,657,395,501,678,592/2,578,272,756.41
6. Step 6: Final answer
   x = 1,503,199,142.09