Finding the Fourth Proportional to 13,483.32, 18,607.50 and 7,817.97

Step by Step Solution

1. Step 1: Write the proportion equation
   13,483.32 : 18,607.50 = 7,817.97 : x
2. Step 2: Convert to fraction form
   13,483.32/18,607.50 = 7,817.97/x
3. Step 3: Cross multiply
   13,483.32x = 18,607.50 × 7,817.97
4. Step 4: Simplify right side
   13,483.32x = 145,472,876.78
5. Step 5: Solve for x
   x = 145,472,876.78/13,483.32
6. Step 6: Final answer
   x = 10,789.10