Finding the Fourth Proportional to 39,900.39, 55,055.16 and 23,985.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,900.39 : 55,055.16 = 23,985.10 : x
2. Step 2: Convert to fraction form
   39,900.39/55,055.16 = 23,985.10/x
3. Step 3: Cross multiply
   39,900.39x = 55,055.16 × 23,985.10
4. Step 4: Simplify right side
   39,900.39x = 1,320,503,518.12
5. Step 5: Solve for x
   x = 1,320,503,518.12/39,900.39
6. Step 6: Final answer
   x = 33,095.00