Finding the Fourth Proportional to 1,140,836.32, 1,574,372.72 and 624,581.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,836.32 : 1,574,372.72 = 624,581.56 : x
2. Step 2: Convert to fraction form
   1,140,836.32/1,574,372.72 = 624,581.56/x
3. Step 3: Cross multiply
   1,140,836.32x = 1,574,372.72 × 624,581.56
4. Step 4: Simplify right side
   1,140,836.32x = 983,324,158,484.27
5. Step 5: Solve for x
   x = 983,324,158,484.27/1,140,836.32
6. Step 6: Final answer
   x = 861,932.73