Finding the Fourth Proportional to 89,311.02, 133,899.89 and 38,656.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,311.02 : 133,899.89 = 38,656.46 : x
2. Step 2: Convert to fraction form
   89,311.02/133,899.89 = 38,656.46/x
3. Step 3: Cross multiply
   89,311.02x = 133,899.89 × 38,656.46
4. Step 4: Simplify right side
   89,311.02x = 5,176,094,879.01
5. Step 5: Solve for x
   x = 5,176,094,879.01/89,311.02
6. Step 6: Final answer
   x = 57,955.84