Finding the Fourth Proportional to 58,286.88, 80,442.72 and 33,140.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,286.88 : 80,442.72 = 33,140.16 : x
2. Step 2: Convert to fraction form
   58,286.88/80,442.72 = 33,140.16/x
3. Step 3: Cross multiply
   58,286.88x = 80,442.72 × 33,140.16
4. Step 4: Simplify right side
   58,286.88x = 2,665,884,611.64
5. Step 5: Solve for x
   x = 2,665,884,611.64/58,286.88
6. Step 6: Final answer
   x = 45,737.30