Finding the Fourth Proportional to 99,949.42, 137,840.91 and 82,926.71

Step by Step Solution

1. Step 1: Write the proportion equation
   99,949.42 : 137,840.91 = 82,926.71 : x
2. Step 2: Convert to fraction form
   99,949.42/137,840.91 = 82,926.71/x
3. Step 3: Cross multiply
   99,949.42x = 137,840.91 × 82,926.71
4. Step 4: Simplify right side
   99,949.42x = 11,430,693,773.80
5. Step 5: Solve for x
   x = 11,430,693,773.80/99,949.42
6. Step 6: Final answer
   x = 114,364.79