Finding the Fourth Proportional to 79,141.50, 109,197.81 and 48,521.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,141.50 : 109,197.81 = 48,521.16 : x
2. Step 2: Convert to fraction form
   79,141.50/109,197.81 = 48,521.16/x
3. Step 3: Cross multiply
   79,141.50x = 109,197.81 × 48,521.16
4. Step 4: Simplify right side
   79,141.50x = 5,298,404,410.66
5. Step 5: Solve for x
   x = 5,298,404,410.66/79,141.50
6. Step 6: Final answer
   x = 66,948.50