Finding the Fourth Proportional to 17,670.47, 26,499.22 and 5,187.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,670.47 : 26,499.22 = 5,187.29 : x
2. Step 2: Convert to fraction form
   17,670.47/26,499.22 = 5,187.29/x
3. Step 3: Cross multiply
   17,670.47x = 26,499.22 × 5,187.29
4. Step 4: Simplify right side
   17,670.47x = 137,459,138.91
5. Step 5: Solve for x
   x = 137,459,138.91/17,670.47
6. Step 6: Final answer
   x = 7,779.03