Finding the Fourth Proportional to 12,773.96, 19,162.30 and 5,380.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,773.96 : 19,162.30 = 5,380.08 : x
2. Step 2: Convert to fraction form
   12,773.96/19,162.30 = 5,380.08/x
3. Step 3: Cross multiply
   12,773.96x = 19,162.30 × 5,380.08
4. Step 4: Simplify right side
   12,773.96x = 103,094,706.98
5. Step 5: Solve for x
   x = 103,094,706.98/12,773.96
6. Step 6: Final answer
   x = 8,070.69