Finding the Fourth Proportional to 57,863.61, 79,851.83 and 33,990.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,863.61 : 79,851.83 = 33,990.57 : x
2. Step 2: Convert to fraction form
   57,863.61/79,851.83 = 33,990.57/x
3. Step 3: Cross multiply
   57,863.61x = 79,851.83 × 33,990.57
4. Step 4: Simplify right side
   57,863.61x = 2,714,209,047.29
5. Step 5: Solve for x
   x = 2,714,209,047.29/57,863.61
6. Step 6: Final answer
   x = 46,907.01