Finding the Fourth Proportional to 13,235.17, 18,264.89 and 7,492.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,235.17 : 18,264.89 = 7,492.18 : x
2. Step 2: Convert to fraction form
   13,235.17/18,264.89 = 7,492.18/x
3. Step 3: Cross multiply
   13,235.17x = 18,264.89 × 7,492.18
4. Step 4: Simplify right side
   13,235.17x = 136,843,714.77
5. Step 5: Solve for x
   x = 136,843,714.77/13,235.17
6. Step 6: Final answer
   x = 10,339.40