Finding the Fourth Proportional to 131,016.71, 180,784.82 and 73,647.92

Step by Step Solution

1. Step 1: Write the proportion equation
   131,016.71 : 180,784.82 = 73,647.92 : x
2. Step 2: Convert to fraction form
   131,016.71/180,784.82 = 73,647.92/x
3. Step 3: Cross multiply
   131,016.71x = 180,784.82 × 73,647.92
4. Step 4: Simplify right side
   131,016.71x = 13,314,425,960.57
5. Step 5: Solve for x
   x = 13,314,425,960.57/131,016.71
6. Step 6: Final answer
   x = 101,623.88