Finding the Fourth Proportional to 152,354.83, 228,407.56 and 57,531.22

Step by Step Solution

1. Step 1: Write the proportion equation
   152,354.83 : 228,407.56 = 57,531.22 : x
2. Step 2: Convert to fraction form
   152,354.83/228,407.56 = 57,531.22/x
3. Step 3: Cross multiply
   152,354.83x = 228,407.56 × 57,531.22
4. Step 4: Simplify right side
   152,354.83x = 13,140,565,584.02
5. Step 5: Solve for x
   x = 13,140,565,584.02/152,354.83
6. Step 6: Final answer
   x = 86,249.75