Finding the Fourth Proportional to 150,061.01, 207,055.49 and 85,528.98

Step by Step Solution

1. Step 1: Write the proportion equation
   150,061.01 : 207,055.49 = 85,528.98 : x
2. Step 2: Convert to fraction form
   150,061.01/207,055.49 = 85,528.98/x
3. Step 3: Cross multiply
   150,061.01x = 207,055.49 × 85,528.98
4. Step 4: Simplify right side
   150,061.01x = 17,709,244,435.46
5. Step 5: Solve for x
   x = 17,709,244,435.46/150,061.01
6. Step 6: Final answer
   x = 118,013.63