Finding the Fourth Proportional to 79,151.50, 109,211.61 and 48,531.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,151.50 : 109,211.61 = 48,531.16 : x
2. Step 2: Convert to fraction form
   79,151.50/109,211.61 = 48,531.16/x
3. Step 3: Cross multiply
   79,151.50x = 109,211.61 × 48,531.16
4. Step 4: Simplify right side
   79,151.50x = 5,300,166,118.77
5. Step 5: Solve for x
   x = 5,300,166,118.77/79,151.50
6. Step 6: Final answer
   x = 66,962.30