Finding the Fourth Proportional to 23,379.52, 35,011.94 and 21,132.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,379.52 : 35,011.94 = 21,132.98 : x
2. Step 2: Convert to fraction form
   23,379.52/35,011.94 = 21,132.98/x
3. Step 3: Cross multiply
   23,379.52x = 35,011.94 × 21,132.98
4. Step 4: Simplify right side
   23,379.52x = 739,906,627.78
5. Step 5: Solve for x
   x = 739,906,627.78/23,379.52
6. Step 6: Final answer
   x = 31,647.64