Finding the Fourth Proportional to 59,997.60, 89,923.44 and 42,472.48

Step by Step Solution

1. Step 1: Write the proportion equation
   59,997.60 : 89,923.44 = 42,472.48 : x
2. Step 2: Convert to fraction form
   59,997.60/89,923.44 = 42,472.48/x
3. Step 3: Cross multiply
   59,997.60x = 89,923.44 × 42,472.48
4. Step 4: Simplify right side
   59,997.60x = 3,819,271,506.93
5. Step 5: Solve for x
   x = 3,819,271,506.93/59,997.60
6. Step 6: Final answer
   x = 63,657.07