Finding the Fourth Proportional to 13,157.85, 18,155.82 and 7,492.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,157.85 : 18,155.82 = 7,492.83 : x
2. Step 2: Convert to fraction form
   13,157.85/18,155.82 = 7,492.83/x
3. Step 3: Cross multiply
   13,157.85x = 18,155.82 × 7,492.83
4. Step 4: Simplify right side
   13,157.85x = 136,038,472.77
5. Step 5: Solve for x
   x = 136,038,472.77/13,157.85
6. Step 6: Final answer
   x = 10,338.96