Finding the Fourth Proportional to 88,790.18, 133,068.62 and 42,056.42

Step by Step Solution

1. Step 1: Write the proportion equation
   88,790.18 : 133,068.62 = 42,056.42 : x
2. Step 2: Convert to fraction form
   88,790.18/133,068.62 = 42,056.42/x
3. Step 3: Cross multiply
   88,790.18x = 133,068.62 × 42,056.42
4. Step 4: Simplify right side
   88,790.18x = 5,596,389,211.34
5. Step 5: Solve for x
   x = 5,596,389,211.34/88,790.18
6. Step 6: Final answer
   x = 63,029.37