Finding the Fourth Proportional to 71,101.61, 98,140.47 and 42,056.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,101.61 : 98,140.47 = 42,056.88 : x
2. Step 2: Convert to fraction form
   71,101.61/98,140.47 = 42,056.88/x
3. Step 3: Cross multiply
   71,101.61x = 98,140.47 × 42,056.88
4. Step 4: Simplify right side
   71,101.61x = 4,127,481,969.93
5. Step 5: Solve for x
   x = 4,127,481,969.93/71,101.61
6. Step 6: Final answer
   x = 58,050.48