Finding the Fourth Proportional to 71,101.11, 98,139.78 and 42,056.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,101.11 : 98,139.78 = 42,056.38 : x
2. Step 2: Convert to fraction form
   71,101.11/98,139.78 = 42,056.38/x
3. Step 3: Cross multiply
   71,101.11x = 98,139.78 × 42,056.38
4. Step 4: Simplify right side
   71,101.11x = 4,127,403,705.55
5. Step 5: Solve for x
   x = 4,127,403,705.55/71,101.11
6. Step 6: Final answer
   x = 58,049.78