Finding the Fourth Proportional to 1,485,320.57, 2,224,143.74 and 1,025,118.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,320.57 : 2,224,143.74 = 1,025,118.57 : x
2. Step 2: Convert to fraction form
   1,485,320.57/2,224,143.74 = 1,025,118.57/x
3. Step 3: Cross multiply
   1,485,320.57x = 2,224,143.74 × 1,025,118.57
4. Step 4: Simplify right side
   1,485,320.57x = 2,280,011,061,126.59
5. Step 5: Solve for x
   x = 2,280,011,061,126.59/1,485,320.57
6. Step 6: Final answer
   x = 1,535,029.62