Finding the Fourth Proportional to 91,945.60, 137,934.60 and 32,815.60

Step by Step Solution

1. Step 1: Write the proportion equation
   91,945.60 : 137,934.60 = 32,815.60 : x
2. Step 2: Convert to fraction form
   91,945.60/137,934.60 = 32,815.60/x
3. Step 3: Cross multiply
   91,945.60x = 137,934.60 × 32,815.60
4. Step 4: Simplify right side
   91,945.60x = 4,526,406,659.76
5. Step 5: Solve for x
   x = 4,526,406,659.76/91,945.60
6. Step 6: Final answer
   x = 49,229.18