Finding the Fourth Proportional to 12,764.53, 17,612.45 and 7,458.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.53 : 17,612.45 = 7,458.32 : x
2. Step 2: Convert to fraction form
   12,764.53/17,612.45 = 7,458.32/x
3. Step 3: Cross multiply
   12,764.53x = 17,612.45 × 7,458.32
4. Step 4: Simplify right side
   12,764.53x = 131,359,355.82
5. Step 5: Solve for x
   x = 131,359,355.82/12,764.53
6. Step 6: Final answer
   x = 10,290.96