Finding the Fourth Proportional to 91,314.98, 126,094.83 and 57,382.28

Step by Step Solution

1. Step 1: Write the proportion equation
   91,314.98 : 126,094.83 = 57,382.28 : x
2. Step 2: Convert to fraction form
   91,314.98/126,094.83 = 57,382.28/x
3. Step 3: Cross multiply
   91,314.98x = 126,094.83 × 57,382.28
4. Step 4: Simplify right side
   91,314.98x = 7,235,608,841.61
5. Step 5: Solve for x
   x = 7,235,608,841.61/91,314.98
6. Step 6: Final answer
   x = 79,237.92