Finding the Fourth Proportional to 9,773.84, 13,490.88 and 7,797.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,773.84 : 13,490.88 = 7,797.98 : x
2. Step 2: Convert to fraction form
   9,773.84/13,490.88 = 7,797.98/x
3. Step 3: Cross multiply
   9,773.84x = 13,490.88 × 7,797.98
4. Step 4: Simplify right side
   9,773.84x = 105,201,612.42
5. Step 5: Solve for x
   x = 105,201,612.42/9,773.84
6. Step 6: Final answer
   x = 10,763.59