Finding the Fourth Proportional to 131,894.72, 182,014.08 and 72,278.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,894.72 : 182,014.08 = 72,278.72 : x
2. Step 2: Convert to fraction form
   131,894.72/182,014.08 = 72,278.72/x
3. Step 3: Cross multiply
   131,894.72x = 182,014.08 × 72,278.72
4. Step 4: Simplify right side
   131,894.72x = 13,155,744,724.38
5. Step 5: Solve for x
   x = 13,155,744,724.38/131,894.72
6. Step 6: Final answer
   x = 99,744.29