Finding the Fourth Proportional to 17,938.51, 26,911.86 and 5,460.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.51 : 26,911.86 = 5,460.30 : x
2. Step 2: Convert to fraction form
   17,938.51/26,911.86 = 5,460.30/x
3. Step 3: Cross multiply
   17,938.51x = 26,911.86 × 5,460.30
4. Step 4: Simplify right side
   17,938.51x = 146,946,896.44
5. Step 5: Solve for x
   x = 146,946,896.44/17,938.51
6. Step 6: Final answer
   x = 8,191.70