Finding the Fourth Proportional to 13,532,665.55, 20,298,660.55 and 3,948,128.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,532,665.55 : 20,298,660.55 = 3,948,128.33 : x
2. Step 2: Convert to fraction form
   13,532,665.55/20,298,660.55 = 3,948,128.33/x
3. Step 3: Cross multiply
   13,532,665.55x = 20,298,660.55 × 3,948,128.33
4. Step 4: Simplify right side
   13,532,665.55x = 80,141,716,667,144.77
5. Step 5: Solve for x
   x = 80,141,716,667,144.77/13,532,665.55
6. Step 6: Final answer
   x = 5,922,093.94