Finding the Fourth Proportional to 9,925.98, 13,698.94 and 5,677.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.98 : 13,698.94 = 5,677.43 : x
2. Step 2: Convert to fraction form
   9,925.98/13,698.94 = 5,677.43/x
3. Step 3: Cross multiply
   9,925.98x = 13,698.94 × 5,677.43
4. Step 4: Simplify right side
   9,925.98x = 77,774,700.88
5. Step 5: Solve for x
   x = 77,774,700.88/9,925.98
6. Step 6: Final answer
   x = 7,835.47