Finding the Fourth Proportional to 185,590.83, 256,116.03 and 100,707.89

Step by Step Solution

1. Step 1: Write the proportion equation
   185,590.83 : 256,116.03 = 100,707.89 : x
2. Step 2: Convert to fraction form
   185,590.83/256,116.03 = 100,707.89/x
3. Step 3: Cross multiply
   185,590.83x = 256,116.03 × 100,707.89
4. Step 4: Simplify right side
   185,590.83x = 25,792,904,758.89
5. Step 5: Solve for x
   x = 25,792,904,758.89/185,590.83
6. Step 6: Final answer
   x = 138,977.26