Finding the Fourth Proportional to 10,925.06, 16,386.74 and 3,904.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.06 : 16,386.74 = 3,904.34 : x
2. Step 2: Convert to fraction form
   10,925.06/16,386.74 = 3,904.34/x
3. Step 3: Cross multiply
   10,925.06x = 16,386.74 × 3,904.34
4. Step 4: Simplify right side
   10,925.06x = 63,979,404.45
5. Step 5: Solve for x
   x = 63,979,404.45/10,925.06
6. Step 6: Final answer
   x = 5,856.21