Finding the Fourth Proportional to 59,643.74, 89,468.34 and 42,191.48

Step by Step Solution

1. Step 1: Write the proportion equation
   59,643.74 : 89,468.34 = 42,191.48 : x
2. Step 2: Convert to fraction form
   59,643.74/89,468.34 = 42,191.48/x
3. Step 3: Cross multiply
   59,643.74x = 89,468.34 × 42,191.48
4. Step 4: Simplify right side
   59,643.74x = 3,774,801,230.40
5. Step 5: Solve for x
   x = 3,774,801,230.40/59,643.74
6. Step 6: Final answer
   x = 63,289.15