Finding the Fourth Proportional to 42,911.12, 59,215.50 and 23,790.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,911.12 : 59,215.50 = 23,790.80 : x
2. Step 2: Convert to fraction form
   42,911.12/59,215.50 = 23,790.80/x
3. Step 3: Cross multiply
   42,911.12x = 59,215.50 × 23,790.80
4. Step 4: Simplify right side
   42,911.12x = 1,408,784,117.40
5. Step 5: Solve for x
   x = 1,408,784,117.40/42,911.12
6. Step 6: Final answer
   x = 32,830.28