Finding the Fourth Proportional to 91,573.63, 126,382.04 and 55,784.59

Step by Step Solution

1. Step 1: Write the proportion equation
   91,573.63 : 126,382.04 = 55,784.59 : x
2. Step 2: Convert to fraction form
   91,573.63/126,382.04 = 55,784.59/x
3. Step 3: Cross multiply
   91,573.63x = 126,382.04 × 55,784.59
4. Step 4: Simplify right side
   91,573.63x = 7,050,170,108.27
5. Step 5: Solve for x
   x = 7,050,170,108.27/91,573.63
6. Step 6: Final answer
   x = 76,989.09