Finding the Fourth Proportional to 1,134,276.32, 1,565,371.20 and 624,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134,276.32 : 1,565,371.20 = 624,978.56 : x
2. Step 2: Convert to fraction form
   1,134,276.32/1,565,371.20 = 624,978.56/x
3. Step 3: Cross multiply
   1,134,276.32x = 1,565,371.20 × 624,978.56
4. Step 4: Simplify right side
   1,134,276.32x = 978,323,438,441.47
5. Step 5: Solve for x
   x = 978,323,438,441.47/1,134,276.32
6. Step 6: Final answer
   x = 862,508.92