Finding the Fourth Proportional to 17,112.93, 25,670.30 and 5,427.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112.93 : 25,670.30 = 5,427.06 : x
2. Step 2: Convert to fraction form
   17,112.93/25,670.30 = 5,427.06/x
3. Step 3: Cross multiply
   17,112.93x = 25,670.30 × 5,427.06
4. Step 4: Simplify right side
   17,112.93x = 139,314,258.32
5. Step 5: Solve for x
   x = 139,314,258.32/17,112.93
6. Step 6: Final answer
   x = 8,140.88