Finding the Fourth Proportional to 23,280.48, 34,657.46 and 23,142.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,280.48 : 34,657.46 = 23,142.12 : x
2. Step 2: Convert to fraction form
   23,280.48/34,657.46 = 23,142.12/x
3. Step 3: Cross multiply
   23,280.48x = 34,657.46 × 23,142.12
4. Step 4: Simplify right side
   23,280.48x = 802,047,098.22
5. Step 5: Solve for x
   x = 802,047,098.22/23,280.48
6. Step 6: Final answer
   x = 34,451.48