Finding the Fourth Proportional to 101,715, 152,544.24 and 56,680.98

Step by Step Solution

1. Step 1: Write the proportion equation
   101,715 : 152,544.24 = 56,680.98 : x
2. Step 2: Convert to fraction form
   101,715/152,544.24 = 56,680.98/x
3. Step 3: Cross multiply
   101,715x = 152,544.24 × 56,680.98
4. Step 4: Simplify right side
   101,715x = 8,646,357,016.56
5. Step 5: Solve for x
   x = 8,646,357,016.56/101,715
6. Step 6: Final answer
   x = 85,005.72