Finding the Fourth Proportional to 60,638.31, 83,678.22 and 33,783.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,638.31 : 83,678.22 = 33,783.75 : x
2. Step 2: Convert to fraction form
   60,638.31/83,678.22 = 33,783.75/x
3. Step 3: Cross multiply
   60,638.31x = 83,678.22 × 33,783.75
4. Step 4: Simplify right side
   60,638.31x = 2,826,964,064.93
5. Step 5: Solve for x
   x = 2,826,964,064.93/60,638.31
6. Step 6: Final answer
   x = 46,620.10