Finding the Fourth Proportional to 6,925.98, 10,386.54 and 1,994.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,925.98 : 10,386.54 = 1,994.30 : x
2. Step 2: Convert to fraction form
   6,925.98/10,386.54 = 1,994.30/x
3. Step 3: Cross multiply
   6,925.98x = 10,386.54 × 1,994.30
4. Step 4: Simplify right side
   6,925.98x = 20,713,876.72
5. Step 5: Solve for x
   x = 20,713,876.72/6,925.98
6. Step 6: Final answer
   x = 2,990.75