Finding the Fourth Proportional to 89,419.76, 134,192.66 and 42,037

Step by Step Solution

1. Step 1: Write the proportion equation
   89,419.76 : 134,192.66 = 42,037 : x
2. Step 2: Convert to fraction form
   89,419.76/134,192.66 = 42,037/x
3. Step 3: Cross multiply
   89,419.76x = 134,192.66 × 42,037
4. Step 4: Simplify right side
   89,419.76x = 5,641,056,848.42
5. Step 5: Solve for x
   x = 5,641,056,848.42/89,419.76
6. Step 6: Final answer
   x = 63,085.13