Finding the Fourth Proportional to 8,113.99, 12,146.32 and 5,194.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.99 : 12,146.32 = 5,194.34 : x
2. Step 2: Convert to fraction form
   8,113.99/12,146.32 = 5,194.34/x
3. Step 3: Cross multiply
   8,113.99x = 12,146.32 × 5,194.34
4. Step 4: Simplify right side
   8,113.99x = 63,092,089.86
5. Step 5: Solve for x
   x = 63,092,089.86/8,113.99
6. Step 6: Final answer
   x = 7,775.72