Finding the Fourth Proportional to 150,514.27, 207,701.70 and 85,970.83

Step by Step Solution

1. Step 1: Write the proportion equation
   150,514.27 : 207,701.70 = 85,970.83 : x
2. Step 2: Convert to fraction form
   150,514.27/207,701.70 = 85,970.83/x
3. Step 3: Cross multiply
   150,514.27x = 207,701.70 × 85,970.83
4. Step 4: Simplify right side
   150,514.27x = 17,856,287,111.56
5. Step 5: Solve for x
   x = 17,856,287,111.56/150,514.27
6. Step 6: Final answer
   x = 118,635.18