Finding the Fourth Proportional to 89,758.83, 134,635.08 and 42,356.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,758.83 : 134,635.08 = 42,356.61 : x
2. Step 2: Convert to fraction form
   89,758.83/134,635.08 = 42,356.61/x
3. Step 3: Cross multiply
   89,758.83x = 134,635.08 × 42,356.61
4. Step 4: Simplify right side
   89,758.83x = 5,702,685,575.88
5. Step 5: Solve for x
   x = 5,702,685,575.88/89,758.83
6. Step 6: Final answer
   x = 63,533.42