Finding the Fourth Proportional to 13,234.17, 18,259.18 and 7,927.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,234.17 : 18,259.18 = 7,927.05 : x
2. Step 2: Convert to fraction form
   13,234.17/18,259.18 = 7,927.05/x
3. Step 3: Cross multiply
   13,234.17x = 18,259.18 × 7,927.05
4. Step 4: Simplify right side
   13,234.17x = 144,741,432.82
5. Step 5: Solve for x
   x = 144,741,432.82/13,234.17
6. Step 6: Final answer
   x = 10,936.95