Finding the Fourth Proportional to 51,959.42, 71,685.16 and 42,567.74

Step by Step Solution

1. Step 1: Write the proportion equation
   51,959.42 : 71,685.16 = 42,567.74 : x
2. Step 2: Convert to fraction form
   51,959.42/71,685.16 = 42,567.74/x
3. Step 3: Cross multiply
   51,959.42x = 71,685.16 × 42,567.74
4. Step 4: Simplify right side
   51,959.42x = 3,051,474,787.89
5. Step 5: Solve for x
   x = 3,051,474,787.89/51,959.42
6. Step 6: Final answer
   x = 58,728.04