Finding the Fourth Proportional to 71,498.52, 98,558.82 and 56,364.12

Step by Step Solution

1. Step 1: Write the proportion equation
   71,498.52 : 98,558.82 = 56,364.12 : x
2. Step 2: Convert to fraction form
   71,498.52/98,558.82 = 56,364.12/x
3. Step 3: Cross multiply
   71,498.52x = 98,558.82 × 56,364.12
4. Step 4: Simplify right side
   71,498.52x = 5,555,181,157.54
5. Step 5: Solve for x
   x = 5,555,181,157.54/71,498.52
6. Step 6: Final answer
   x = 77,696.45