Finding the Fourth Proportional to 268,951.47, 403,429.37 and 91,498.83

Step by Step Solution

1. Step 1: Write the proportion equation
   268,951.47 : 403,429.37 = 91,498.83 : x
2. Step 2: Convert to fraction form
   268,951.47/403,429.37 = 91,498.83/x
3. Step 3: Cross multiply
   268,951.47x = 403,429.37 × 91,498.83
4. Step 4: Simplify right side
   268,951.47x = 36,913,314,885.14
5. Step 5: Solve for x
   x = 36,913,314,885.14/268,951.47
6. Step 6: Final answer
   x = 137,248.98