Finding the Fourth Proportional to 132,781.89, 199,231.71 and 69,587.00

Step by Step Solution

1. Step 1: Write the proportion equation
   132,781.89 : 199,231.71 = 69,587.00 : x
2. Step 2: Convert to fraction form
   132,781.89/199,231.71 = 69,587.00/x
3. Step 3: Cross multiply
   132,781.89x = 199,231.71 × 69,587.00
4. Step 4: Simplify right side
   132,781.89x = 13,863,936,007.61
5. Step 5: Solve for x
   x = 13,863,936,007.61/132,781.89
6. Step 6: Final answer
   x = 104,411.35