Finding the Fourth Proportional to 32,100.81, 48,147.56 and 12,377.71

Step by Step Solution

1. Step 1: Write the proportion equation
   32,100.81 : 48,147.56 = 12,377.71 : x
2. Step 2: Convert to fraction form
   32,100.81/48,147.56 = 12,377.71/x
3. Step 3: Cross multiply
   32,100.81x = 48,147.56 × 12,377.71
4. Step 4: Simplify right side
   32,100.81x = 595,956,649.22
5. Step 5: Solve for x
   x = 595,956,649.22/32,100.81
6. Step 6: Final answer
   x = 18,565.16