Finding the Fourth Proportional to 88,105.56, 121,585.74 and 47,819.32

Step by Step Solution

1. Step 1: Write the proportion equation
   88,105.56 : 121,585.74 = 47,819.32 : x
2. Step 2: Convert to fraction form
   88,105.56/121,585.74 = 47,819.32/x
3. Step 3: Cross multiply
   88,105.56x = 121,585.74 × 47,819.32
4. Step 4: Simplify right side
   88,105.56x = 5,814,147,408.50
5. Step 5: Solve for x
   x = 5,814,147,408.50/88,105.56
6. Step 6: Final answer
   x = 65,990.70