Finding the Fourth Proportional to 17,942.81, 26,915.59 and 5,463.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,942.81 : 26,915.59 = 5,463.90 : x
2. Step 2: Convert to fraction form
   17,942.81/26,915.59 = 5,463.90/x
3. Step 3: Cross multiply
   17,942.81x = 26,915.59 × 5,463.90
4. Step 4: Simplify right side
   17,942.81x = 147,063,957.62
5. Step 5: Solve for x
   x = 147,063,957.62/17,942.81
6. Step 6: Final answer
   x = 8,196.26