Finding the Fourth Proportional to 89,730.84, 134,598.42 and 42,932.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,730.84 : 134,598.42 = 42,932.28 : x
2. Step 2: Convert to fraction form
   89,730.84/134,598.42 = 42,932.28/x
3. Step 3: Cross multiply
   89,730.84x = 134,598.42 × 42,932.28
4. Step 4: Simplify right side
   89,730.84x = 5,778,617,055.00
5. Step 5: Solve for x
   x = 5,778,617,055.00/89,730.84
6. Step 6: Final answer
   x = 64,399.45