Finding the Fourth Proportional to 260,622.72, 359,641.74 and 144,327.84

Step by Step Solution

1. Step 1: Write the proportion equation
   260,622.72 : 359,641.74 = 144,327.84 : x
2. Step 2: Convert to fraction form
   260,622.72/359,641.74 = 144,327.84/x
3. Step 3: Cross multiply
   260,622.72x = 359,641.74 × 144,327.84
4. Step 4: Simplify right side
   260,622.72x = 51,906,314,700.61
5. Step 5: Solve for x
   x = 51,906,314,700.61/260,622.72
6. Step 6: Final answer
   x = 199,162.66