Finding the Fourth Proportional to 42,990.86, 59,327.61 and 23,871.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,990.86 : 59,327.61 = 23,871.32 : x
2. Step 2: Convert to fraction form
   42,990.86/59,327.61 = 23,871.32/x
3. Step 3: Cross multiply
   42,990.86x = 59,327.61 × 23,871.32
4. Step 4: Simplify right side
   42,990.86x = 1,416,228,363.15
5. Step 5: Solve for x
   x = 1,416,228,363.15/42,990.86
6. Step 6: Final answer
   x = 32,942.55