Finding the Fourth Proportional to 199,061.40, 297,863.10 and 146,573.40

Step by Step Solution

1. Step 1: Write the proportion equation
   199,061.40 : 297,863.10 = 146,573.40 : x
2. Step 2: Convert to fraction form
   199,061.40/297,863.10 = 146,573.40/x
3. Step 3: Cross multiply
   199,061.40x = 297,863.10 × 146,573.40
4. Step 4: Simplify right side
   199,061.40x = 43,658,807,301.54
5. Step 5: Solve for x
   x = 43,658,807,301.54/199,061.40
6. Step 6: Final answer
   x = 219,323.32