Finding the Fourth Proportional to 9,036.93, 12,471.23 and 5,057.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.93 : 12,471.23 = 5,057.94 : x
2. Step 2: Convert to fraction form
   9,036.93/12,471.23 = 5,057.94/x
3. Step 3: Cross multiply
   9,036.93x = 12,471.23 × 5,057.94
4. Step 4: Simplify right side
   9,036.93x = 63,078,792.48
5. Step 5: Solve for x
   x = 63,078,792.48/9,036.93
6. Step 6: Final answer
   x = 6,980.11