Finding the Fourth Proportional to 89,812.32, 134,747.64 and 43,059.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,812.32 : 134,747.64 = 43,059.12 : x
2. Step 2: Convert to fraction form
   89,812.32/134,747.64 = 43,059.12/x
3. Step 3: Cross multiply
   89,812.32x = 134,747.64 × 43,059.12
4. Step 4: Simplify right side
   89,812.32x = 5,802,114,800.48
5. Step 5: Solve for x
   x = 5,802,114,800.48/89,812.32
6. Step 6: Final answer
   x = 64,602.66