Finding the Fourth Proportional to 12,632.58, 18,938.16 and 5,232.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.58 : 18,938.16 = 5,232.42 : x
2. Step 2: Convert to fraction form
   12,632.58/18,938.16 = 5,232.42/x
3. Step 3: Cross multiply
   12,632.58x = 18,938.16 × 5,232.42
4. Step 4: Simplify right side
   12,632.58x = 99,092,407.15
5. Step 5: Solve for x
   x = 99,092,407.15/12,632.58
6. Step 6: Final answer
   x = 7,844.19