Finding the Fourth Proportional to 628,443.10, 942,651.88 and 155,132.56

Step by Step Solution

1. Step 1: Write the proportion equation
   628,443.10 : 942,651.88 = 155,132.56 : x
2. Step 2: Convert to fraction form
   628,443.10/942,651.88 = 155,132.56/x
3. Step 3: Cross multiply
   628,443.10x = 942,651.88 × 155,132.56
4. Step 4: Simplify right side
   628,443.10x = 146,235,999,333.21
5. Step 5: Solve for x
   x = 146,235,999,333.21/628,443.10
6. Step 6: Final answer
   x = 232,695.69