Finding the Fourth Proportional to 151,402.37, 207,422.22 and 145,727.10

Step by Step Solution

1. Step 1: Write the proportion equation
   151,402.37 : 207,422.22 = 145,727.10 : x
2. Step 2: Convert to fraction form
   151,402.37/207,422.22 = 145,727.10/x
3. Step 3: Cross multiply
   151,402.37x = 207,422.22 × 145,727.10
4. Step 4: Simplify right side
   151,402.37x = 30,227,038,322.92
5. Step 5: Solve for x
   x = 30,227,038,322.92/151,402.37
6. Step 6: Final answer
   x = 199,647.07