Finding the Fourth Proportional to 138,061.94, 206,789.35 and 114,097.89

Step by Step Solution

1. Step 1: Write the proportion equation
   138,061.94 : 206,789.35 = 114,097.89 : x
2. Step 2: Convert to fraction form
   138,061.94/206,789.35 = 114,097.89/x
3. Step 3: Cross multiply
   138,061.94x = 206,789.35 × 114,097.89
4. Step 4: Simplify right side
   138,061.94x = 23,594,228,509.47
5. Step 5: Solve for x
   x = 23,594,228,509.47/138,061.94
6. Step 6: Final answer
   x = 170,895.97