Finding the Fourth Proportional to 71,175.95, 98,219.83 and 42,123.15

Step by Step Solution

1. Step 1: Write the proportion equation
   71,175.95 : 98,219.83 = 42,123.15 : x
2. Step 2: Convert to fraction form
   71,175.95/98,219.83 = 42,123.15/x
3. Step 3: Cross multiply
   71,175.95x = 98,219.83 × 42,123.15
4. Step 4: Simplify right side
   71,175.95x = 4,137,328,526.76
5. Step 5: Solve for x
   x = 4,137,328,526.76/71,175.95
6. Step 6: Final answer
   x = 58,128.18