Finding the Fourth Proportional to 151,412.94, 207,436.68 and 145,737.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,412.94 : 207,436.68 = 145,737.72 : x
2. Step 2: Convert to fraction form
   151,412.94/207,436.68 = 145,737.72/x
3. Step 3: Cross multiply
   151,412.94x = 207,436.68 × 145,737.72
4. Step 4: Simplify right side
   151,412.94x = 30,231,348,787.57
5. Step 5: Solve for x
   x = 30,231,348,787.57/151,412.94
6. Step 6: Final answer
   x = 199,661.59