Finding the Fourth Proportional to 11,377.31, 17,065.13 and 5,054.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,377.31 : 17,065.13 = 5,054.18 : x
2. Step 2: Convert to fraction form
   11,377.31/17,065.13 = 5,054.18/x
3. Step 3: Cross multiply
   11,377.31x = 17,065.13 × 5,054.18
4. Step 4: Simplify right side
   11,377.31x = 86,250,128.15
5. Step 5: Solve for x
   x = 86,250,128.15/11,377.31
6. Step 6: Final answer
   x = 7,580.89