Finding the Fourth Proportional to 13,168.76, 19,753.16 and 5,377.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,168.76 : 19,753.16 = 5,377.58 : x
2. Step 2: Convert to fraction form
   13,168.76/19,753.16 = 5,377.58/x
3. Step 3: Cross multiply
   13,168.76x = 19,753.16 × 5,377.58
4. Step 4: Simplify right side
   13,168.76x = 106,224,112.83
5. Step 5: Solve for x
   x = 106,224,112.83/13,168.76
6. Step 6: Final answer
   x = 8,066.37