Finding the Fourth Proportional to 17,595.12, 26,386.56 and 5,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,595.12 : 26,386.56 = 5,111.76 : x
2. Step 2: Convert to fraction form
   17,595.12/26,386.56 = 5,111.76/x
3. Step 3: Cross multiply
   17,595.12x = 26,386.56 × 5,111.76
4. Step 4: Simplify right side
   17,595.12x = 134,881,761.95
5. Step 5: Solve for x
   x = 134,881,761.95/17,595.12
6. Step 6: Final answer
   x = 7,665.86