Finding the Fourth Proportional to 89,409.84, 134,151.48 and 42,632.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,409.84 : 134,151.48 = 42,632.88 : x
2. Step 2: Convert to fraction form
   89,409.84/134,151.48 = 42,632.88/x
3. Step 3: Cross multiply
   89,409.84x = 134,151.48 × 42,632.88
4. Step 4: Simplify right side
   89,409.84x = 5,719,263,948.66
5. Step 5: Solve for x
   x = 5,719,263,948.66/89,409.84
6. Step 6: Final answer
   x = 63,966.83