Finding the Fourth Proportional to 78,899.60, 118,306.20 and 32,099.60

Step by Step Solution

1. Step 1: Write the proportion equation
   78,899.60 : 118,306.20 = 32,099.60 : x
2. Step 2: Convert to fraction form
   78,899.60/118,306.20 = 32,099.60/x
3. Step 3: Cross multiply
   78,899.60x = 118,306.20 × 32,099.60
4. Step 4: Simplify right side
   78,899.60x = 3,797,581,697.52
5. Step 5: Solve for x
   x = 3,797,581,697.52/78,899.60
6. Step 6: Final answer
   x = 48,131.82