Finding the Fourth Proportional to 43,985.20, 60,678.88 and 42,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   43,985.20 : 60,678.88 = 42,288.24 : x
2. Step 2: Convert to fraction form
   43,985.20/60,678.88 = 42,288.24/x
3. Step 3: Cross multiply
   43,985.20x = 60,678.88 × 42,288.24
4. Step 4: Simplify right side
   43,985.20x = 2,566,003,040.37
5. Step 5: Solve for x
   x = 2,566,003,040.37/43,985.20
6. Step 6: Final answer
   x = 58,337.87