Finding the Fourth Proportional to 123,951.60, 185,848.56 and 57,302.64

Step by Step Solution

1. Step 1: Write the proportion equation
   123,951.60 : 185,848.56 = 57,302.64 : x
2. Step 2: Convert to fraction form
   123,951.60/185,848.56 = 57,302.64/x
3. Step 3: Cross multiply
   123,951.60x = 185,848.56 × 57,302.64
4. Step 4: Simplify right side
   123,951.60x = 10,649,613,128.20
5. Step 5: Solve for x
   x = 10,649,613,128.20/123,951.60
6. Step 6: Final answer
   x = 85,917.51