Finding the Fourth Proportional to 88,714.10, 133,071.15 and 42,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,714.10 : 133,071.15 = 42,058.10 : x
2. Step 2: Convert to fraction form
   88,714.10/133,071.15 = 42,058.10/x
3. Step 3: Cross multiply
   88,714.10x = 133,071.15 × 42,058.10
4. Step 4: Simplify right side
   88,714.10x = 5,596,719,733.82
5. Step 5: Solve for x
   x = 5,596,719,733.82/88,714.10
6. Step 6: Final answer
   x = 63,087.15