Finding the Fourth Proportional to 13,077.32, 19,613.21 and 4,310.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,077.32 : 19,613.21 = 4,310.15 : x
2. Step 2: Convert to fraction form
   13,077.32/19,613.21 = 4,310.15/x
3. Step 3: Cross multiply
   13,077.32x = 19,613.21 × 4,310.15
4. Step 4: Simplify right side
   13,077.32x = 84,535,757.46
5. Step 5: Solve for x
   x = 84,535,757.46/13,077.32
6. Step 6: Final answer
   x = 6,464.31