Finding the Fourth Proportional to 10,078.04, 15,094.98 and 7,147.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.04 : 15,094.98 = 7,147.46 : x
2. Step 2: Convert to fraction form
   10,078.04/15,094.98 = 7,147.46/x
3. Step 3: Cross multiply
   10,078.04x = 15,094.98 × 7,147.46
4. Step 4: Simplify right side
   10,078.04x = 107,890,765.75
5. Step 5: Solve for x
   x = 107,890,765.75/10,078.04
6. Step 6: Final answer
   x = 10,705.53