Finding the Fourth Proportional to 11,357.31, 17,038.53 and 3,460.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,357.31 : 17,038.53 = 3,460.52 : x
2. Step 2: Convert to fraction form
   11,357.31/17,038.53 = 3,460.52/x
3. Step 3: Cross multiply
   11,357.31x = 17,038.53 × 3,460.52
4. Step 4: Simplify right side
   11,357.31x = 58,962,088.64
5. Step 5: Solve for x
   x = 58,962,088.64/11,357.31
6. Step 6: Final answer
   x = 5,191.55