Finding the Fourth Proportional to 58,422.52, 80,601.42 and 40,533.40

Step by Step Solution

1. Step 1: Write the proportion equation
   58,422.52 : 80,601.42 = 40,533.40 : x
2. Step 2: Convert to fraction form
   58,422.52/80,601.42 = 40,533.40/x
3. Step 3: Cross multiply
   58,422.52x = 80,601.42 × 40,533.40
4. Step 4: Simplify right side
   58,422.52x = 3,267,049,597.43
5. Step 5: Solve for x
   x = 3,267,049,597.43/58,422.52
6. Step 6: Final answer
   x = 55,921.07