Finding the Fourth Proportional to 10,190.16, 14,070.72 and 8,302.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,190.16 : 14,070.72 = 8,302.02 : x
2. Step 2: Convert to fraction form
   10,190.16/14,070.72 = 8,302.02/x
3. Step 3: Cross multiply
   10,190.16x = 14,070.72 × 8,302.02
4. Step 4: Simplify right side
   10,190.16x = 116,815,398.85
5. Step 5: Solve for x
   x = 116,815,398.85/10,190.16
6. Step 6: Final answer
   x = 11,463.55