Finding the Fourth Proportional to 31,783.02, 43,876.90 and 22,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,783.02 : 43,876.90 = 22,393.50 : x
2. Step 2: Convert to fraction form
   31,783.02/43,876.90 = 22,393.50/x
3. Step 3: Cross multiply
   31,783.02x = 43,876.90 × 22,393.50
4. Step 4: Simplify right side
   31,783.02x = 982,557,360.15
5. Step 5: Solve for x
   x = 982,557,360.15/31,783.02
6. Step 6: Final answer
   x = 30,914.54