Finding the Fourth Proportional to 10,700.19, 14,766.70 and 5,920.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.19 : 14,766.70 = 5,920.05 : x
2. Step 2: Convert to fraction form
   10,700.19/14,766.70 = 5,920.05/x
3. Step 3: Cross multiply
   10,700.19x = 14,766.70 × 5,920.05
4. Step 4: Simplify right side
   10,700.19x = 87,419,602.34
5. Step 5: Solve for x
   x = 87,419,602.34/10,700.19
6. Step 6: Final answer
   x = 8,169.91