Finding the Fourth Proportional to 89,532.90, 134,269.29 and 45,131.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,532.90 : 134,269.29 = 45,131.34 : x
2. Step 2: Convert to fraction form
   89,532.90/134,269.29 = 45,131.34/x
3. Step 3: Cross multiply
   89,532.90x = 134,269.29 × 45,131.34
4. Step 4: Simplify right side
   89,532.90x = 6,059,752,978.55
5. Step 5: Solve for x
   x = 6,059,752,978.55/89,532.90
6. Step 6: Final answer
   x = 67,681.86