Finding the Fourth Proportional to 9,799.94, 13,525.53 and 7,156.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.94 : 13,525.53 = 7,156.10 : x
2. Step 2: Convert to fraction form
   9,799.94/13,525.53 = 7,156.10/x
3. Step 3: Cross multiply
   9,799.94x = 13,525.53 × 7,156.10
4. Step 4: Simplify right side
   9,799.94x = 96,790,045.23
5. Step 5: Solve for x
   x = 96,790,045.23/9,799.94
6. Step 6: Final answer
   x = 9,876.60