Finding the Fourth Proportional to 23,307.34, 34,949.56 and 9,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,307.34 : 34,949.56 = 9,978.46 : x
2. Step 2: Convert to fraction form
   23,307.34/34,949.56 = 9,978.46/x
3. Step 3: Cross multiply
   23,307.34x = 34,949.56 × 9,978.46
4. Step 4: Simplify right side
   23,307.34x = 348,742,786.48
5. Step 5: Solve for x
   x = 348,742,786.48/23,307.34
6. Step 6: Final answer
   x = 14,962.79