Finding the Fourth Proportional to 63,187.72, 87,314.54 and 60,112.55

Step by Step Solution

1. Step 1: Write the proportion equation
   63,187.72 : 87,314.54 = 60,112.55 : x
2. Step 2: Convert to fraction form
   63,187.72/87,314.54 = 60,112.55/x
3. Step 3: Cross multiply
   63,187.72x = 87,314.54 × 60,112.55
4. Step 4: Simplify right side
   63,187.72x = 5,248,699,569.20
5. Step 5: Solve for x
   x = 5,248,699,569.20/63,187.72
6. Step 6: Final answer
   x = 83,065.19