Finding the Fourth Proportional to 10,770.72, 14,845.68 and 7,407.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,770.72 : 14,845.68 = 7,407.84 : x
2. Step 2: Convert to fraction form
   10,770.72/14,845.68 = 7,407.84/x
3. Step 3: Cross multiply
   10,770.72x = 14,845.68 × 7,407.84
4. Step 4: Simplify right side
   10,770.72x = 109,974,422.13
5. Step 5: Solve for x
   x = 109,974,422.13/10,770.72
6. Step 6: Final answer
   x = 10,210.50