Finding the Fourth Proportional to 1,140,952.52, 1,574,454.56 and 624,607.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,952.52 : 1,574,454.56 = 624,607.40 : x
2. Step 2: Convert to fraction form
   1,140,952.52/1,574,454.56 = 624,607.40/x
3. Step 3: Cross multiply
   1,140,952.52x = 1,574,454.56 × 624,607.40
4. Step 4: Simplify right side
   1,140,952.52x = 983,415,969,139.74
5. Step 5: Solve for x
   x = 983,415,969,139.74/1,140,952.52
6. Step 6: Final answer
   x = 861,925.41