Finding the Fourth Proportional to 10,142.92, 13,980.50 and 6,784.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,142.92 : 13,980.50 = 6,784.52 : x
2. Step 2: Convert to fraction form
   10,142.92/13,980.50 = 6,784.52/x
3. Step 3: Cross multiply
   10,142.92x = 13,980.50 × 6,784.52
4. Step 4: Simplify right side
   10,142.92x = 94,851,008.33
5. Step 5: Solve for x
   x = 94,851,008.33/10,142.92
6. Step 6: Final answer
   x = 9,351.45