Finding the Fourth Proportional to 1,140,872.58, 1,574,422.83 and 624,617.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,872.58 : 1,574,422.83 = 624,617.82 : x
2. Step 2: Convert to fraction form
   1,140,872.58/1,574,422.83 = 624,617.82/x
3. Step 3: Cross multiply
   1,140,872.58x = 1,574,422.83 × 624,617.82
4. Step 4: Simplify right side
   1,140,872.58x = 983,412,555,832.83
5. Step 5: Solve for x
   x = 983,412,555,832.83/1,140,872.58
6. Step 6: Final answer
   x = 861,982.81