Finding the Fourth Proportional to 13,985.48, 19,300.82 and 7,699.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,985.48 : 19,300.82 = 7,699.24 : x
2. Step 2: Convert to fraction form
   13,985.48/19,300.82 = 7,699.24/x
3. Step 3: Cross multiply
   13,985.48x = 19,300.82 × 7,699.24
4. Step 4: Simplify right side
   13,985.48x = 148,601,645.38
5. Step 5: Solve for x
   x = 148,601,645.38/13,985.48
6. Step 6: Final answer
   x = 10,625.42