Finding the Fourth Proportional to 149,456.55, 205,830.12 and 146,190.63

Step by Step Solution

1. Step 1: Write the proportion equation
   149,456.55 : 205,830.12 = 146,190.63 : x
2. Step 2: Convert to fraction form
   149,456.55/205,830.12 = 146,190.63/x
3. Step 3: Cross multiply
   149,456.55x = 205,830.12 × 146,190.63
4. Step 4: Simplify right side
   149,456.55x = 30,090,434,915.78
5. Step 5: Solve for x
   x = 30,090,434,915.78/149,456.55
6. Step 6: Final answer
   x = 201,332.33