Finding the Fourth Proportional to 131,068.17, 180,863.82 and 72,926.91

Step by Step Solution

1. Step 1: Write the proportion equation
   131,068.17 : 180,863.82 = 72,926.91 : x
2. Step 2: Convert to fraction form
   131,068.17/180,863.82 = 72,926.91/x
3. Step 3: Cross multiply
   131,068.17x = 180,863.82 × 72,926.91
4. Step 4: Simplify right side
   131,068.17x = 13,189,839,523.40
5. Step 5: Solve for x
   x = 13,189,839,523.40/131,068.17
6. Step 6: Final answer
   x = 100,633.43