Finding the Fourth Proportional to 79,152, 109,212.30 and 48,531.66

Step by Step Solution

1. Step 1: Write the proportion equation
   79,152 : 109,212.30 = 48,531.66 : x
2. Step 2: Convert to fraction form
   79,152/109,212.30 = 48,531.66/x
3. Step 3: Cross multiply
   79,152x = 109,212.30 × 48,531.66
4. Step 4: Simplify right side
   79,152x = 5,300,254,211.42
5. Step 5: Solve for x
   x = 5,300,254,211.42/79,152
6. Step 6: Final answer
   x = 66,962.99