Finding the Fourth Proportional to 74,173.78, 111,271.83 and 21,576.34

Step by Step Solution

1. Step 1: Write the proportion equation
   74,173.78 : 111,271.83 = 21,576.34 : x
2. Step 2: Convert to fraction form
   74,173.78/111,271.83 = 21,576.34/x
3. Step 3: Cross multiply
   74,173.78x = 111,271.83 × 21,576.34
4. Step 4: Simplify right side
   74,173.78x = 2,400,838,836.50
5. Step 5: Solve for x
   x = 2,400,838,836.50/74,173.78
6. Step 6: Final answer
   x = 32,367.76