Finding the Fourth Proportional to 88,109.73, 121,591.55 and 47,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,109.73 : 121,591.55 = 47,823.50 : x
2. Step 2: Convert to fraction form
   88,109.73/121,591.55 = 47,823.50/x
3. Step 3: Cross multiply
   88,109.73x = 121,591.55 × 47,823.50
4. Step 4: Simplify right side
   88,109.73x = 5,814,933,914.96
5. Step 5: Solve for x
   x = 5,814,933,914.96/88,109.73
6. Step 6: Final answer
   x = 65,996.50