Finding the Fourth Proportional to 91,869.56, 126,772.24 and 55,584.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,869.56 : 126,772.24 = 55,584.52 : x
2. Step 2: Convert to fraction form
   91,869.56/126,772.24 = 55,584.52/x
3. Step 3: Cross multiply
   91,869.56x = 126,772.24 × 55,584.52
4. Step 4: Simplify right side
   91,869.56x = 7,046,574,109.72
5. Step 5: Solve for x
   x = 7,046,574,109.72/91,869.56
6. Step 6: Final answer
   x = 76,701.95