Finding the Fourth Proportional to 1,142,832.32, 1,577,074.24 and 626,575.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,832.32 : 1,577,074.24 = 626,575.52 : x
2. Step 2: Convert to fraction form
   1,142,832.32/1,577,074.24 = 626,575.52/x
3. Step 3: Cross multiply
   1,142,832.32x = 1,577,074.24 × 626,575.52
4. Step 4: Simplify right side
   1,142,832.32x = 988,156,112,006.61
5. Step 5: Solve for x
   x = 988,156,112,006.61/1,142,832.32
6. Step 6: Final answer
   x = 864,655.38