Finding the Fourth Proportional to 89,541.86, 134,341.94 and 42,798.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,541.86 : 134,341.94 = 42,798.38 : x
2. Step 2: Convert to fraction form
   89,541.86/134,341.94 = 42,798.38/x
3. Step 3: Cross multiply
   89,541.86x = 134,341.94 × 42,798.38
4. Step 4: Simplify right side
   89,541.86x = 5,749,616,833.34
5. Step 5: Solve for x
   x = 5,749,616,833.34/89,541.86
6. Step 6: Final answer
   x = 64,211.50