Finding the Fourth Proportional to 13,284.88, 19,929.94 and 3,925.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.88 : 19,929.94 = 3,925.06 : x
2. Step 2: Convert to fraction form
   13,284.88/19,929.94 = 3,925.06/x
3. Step 3: Cross multiply
   13,284.88x = 19,929.94 × 3,925.06
4. Step 4: Simplify right side
   13,284.88x = 78,226,210.30
5. Step 5: Solve for x
   x = 78,226,210.30/13,284.88
6. Step 6: Final answer
   x = 5,888.36