Finding the Fourth Proportional to 58,871.55, 81,238.50 and 33,378.42

Step by Step Solution

1. Step 1: Write the proportion equation
   58,871.55 : 81,238.50 = 33,378.42 : x
2. Step 2: Convert to fraction form
   58,871.55/81,238.50 = 33,378.42/x
3. Step 3: Cross multiply
   58,871.55x = 81,238.50 × 33,378.42
4. Step 4: Simplify right side
   58,871.55x = 2,711,612,773.17
5. Step 5: Solve for x
   x = 2,711,612,773.17/58,871.55
6. Step 6: Final answer
   x = 46,059.82