Finding the Fourth Proportional to 149,488.89, 207,185.17 and 146,689.53

Step by Step Solution

1. Step 1: Write the proportion equation
   149,488.89 : 207,185.17 = 146,689.53 : x
2. Step 2: Convert to fraction form
   149,488.89/207,185.17 = 146,689.53/x
3. Step 3: Cross multiply
   149,488.89x = 207,185.17 × 146,689.53
4. Step 4: Simplify right side
   149,488.89x = 30,391,894,476.82
5. Step 5: Solve for x
   x = 30,391,894,476.82/149,488.89
6. Step 6: Final answer
   x = 203,305.37