Finding the Fourth Proportional to 91,484.95, 126,326.73 and 57,504.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,484.95 : 126,326.73 = 57,504.38 : x
2. Step 2: Convert to fraction form
   91,484.95/126,326.73 = 57,504.38/x
3. Step 3: Cross multiply
   91,484.95x = 126,326.73 × 57,504.38
4. Step 4: Simplify right side
   91,484.95x = 7,264,340,142.32
5. Step 5: Solve for x
   x = 7,264,340,142.32/91,484.95
6. Step 6: Final answer
   x = 79,404.76