Finding the Fourth Proportional to 15,375.53, 23,061.94 and 4,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,375.53 : 23,061.94 = 4,281.50 : x
2. Step 2: Convert to fraction form
   15,375.53/23,061.94 = 4,281.50/x
3. Step 3: Cross multiply
   15,375.53x = 23,061.94 × 4,281.50
4. Step 4: Simplify right side
   15,375.53x = 98,739,570.10
5. Step 5: Solve for x
   x = 98,739,570.10/15,375.53
6. Step 6: Final answer
   x = 6,421.87