Finding the Fourth Proportional to 9,802.63, 13,525.47 and 5,553.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.63 : 13,525.47 = 5,553.32 : x
2. Step 2: Convert to fraction form
   9,802.63/13,525.47 = 5,553.32/x
3. Step 3: Cross multiply
   9,802.63x = 13,525.47 × 5,553.32
4. Step 4: Simplify right side
   9,802.63x = 75,111,263.06
5. Step 5: Solve for x
   x = 75,111,263.06/9,802.63
6. Step 6: Final answer
   x = 7,662.36