Finding the Fourth Proportional to 2,257,320.52, 3,115,140.42 and 1,238,820.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,320.52 : 3,115,140.42 = 1,238,820.04 : x
2. Step 2: Convert to fraction form
   2,257,320.52/3,115,140.42 = 1,238,820.04/x
3. Step 3: Cross multiply
   2,257,320.52x = 3,115,140.42 × 1,238,820.04
4. Step 4: Simplify right side
   2,257,320.52x = 3,859,098,379,710.02
5. Step 5: Solve for x
   x = 3,859,098,379,710.02/2,257,320.52
6. Step 6: Final answer
   x = 1,709,592.57