Finding the Fourth Proportional to 71,310.33, 106,899.78 and 33,888.15

Step by Step Solution

1. Step 1: Write the proportion equation
   71,310.33 : 106,899.78 = 33,888.15 : x
2. Step 2: Convert to fraction form
   71,310.33/106,899.78 = 33,888.15/x
3. Step 3: Cross multiply
   71,310.33x = 106,899.78 × 33,888.15
4. Step 4: Simplify right side
   71,310.33x = 3,622,635,779.61
5. Step 5: Solve for x
   x = 3,622,635,779.61/71,310.33
6. Step 6: Final answer
   x = 50,801.00