Finding the Fourth Proportional to 88,105.10, 121,586.21 and 47,819.34

Step by Step Solution

1. Step 1: Write the proportion equation
   88,105.10 : 121,586.21 = 47,819.34 : x
2. Step 2: Convert to fraction form
   88,105.10/121,586.21 = 47,819.34/x
3. Step 3: Cross multiply
   88,105.10x = 121,586.21 × 47,819.34
4. Step 4: Simplify right side
   88,105.10x = 5,814,172,076.20
5. Step 5: Solve for x
   x = 5,814,172,076.20/88,105.10
6. Step 6: Final answer
   x = 65,991.33