Finding the Fourth Proportional to 17,876.34, 26,807.31 and 5,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,876.34 : 26,807.31 = 5,392.50 : x
2. Step 2: Convert to fraction form
   17,876.34/26,807.31 = 5,392.50/x
3. Step 3: Cross multiply
   17,876.34x = 26,807.31 × 5,392.50
4. Step 4: Simplify right side
   17,876.34x = 144,558,419.18
5. Step 5: Solve for x
   x = 144,558,419.18/17,876.34
6. Step 6: Final answer
   x = 8,086.58