Finding the Fourth Proportional to 9,870.84, 14,791.68 and 7,795.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.84 : 14,791.68 = 7,795.98 : x
2. Step 2: Convert to fraction form
   9,870.84/14,791.68 = 7,795.98/x
3. Step 3: Cross multiply
   9,870.84x = 14,791.68 × 7,795.98
4. Step 4: Simplify right side
   9,870.84x = 115,315,641.45
5. Step 5: Solve for x
   x = 115,315,641.45/9,870.84
6. Step 6: Final answer
   x = 11,682.45