Finding the Fourth Proportional to 130,443.20, 195,679.20 and 41,681.60

Step by Step Solution

1. Step 1: Write the proportion equation
   130,443.20 : 195,679.20 = 41,681.60 : x
2. Step 2: Convert to fraction form
   130,443.20/195,679.20 = 41,681.60/x
3. Step 3: Cross multiply
   130,443.20x = 195,679.20 × 41,681.60
4. Step 4: Simplify right side
   130,443.20x = 8,156,222,142.72
5. Step 5: Solve for x
   x = 8,156,222,142.72/130,443.20
6. Step 6: Final answer
   x = 62,527.00