Finding the Fourth Proportional to 150,473.68, 207,510.42 and 90,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,473.68 : 207,510.42 = 90,034.72 : x
2. Step 2: Convert to fraction form
   150,473.68/207,510.42 = 90,034.72/x
3. Step 3: Cross multiply
   150,473.68x = 207,510.42 × 90,034.72
4. Step 4: Simplify right side
   150,473.68x = 18,683,142,561.78
5. Step 5: Solve for x
   x = 18,683,142,561.78/150,473.68
6. Step 6: Final answer
   x = 124,162.20