Finding the Fourth Proportional to 10,365.84, 15,527.52 and 7,023.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,365.84 : 15,527.52 = 7,023.60 : x
2. Step 2: Convert to fraction form
   10,365.84/15,527.52 = 7,023.60/x
3. Step 3: Cross multiply
   10,365.84x = 15,527.52 × 7,023.60
4. Step 4: Simplify right side
   10,365.84x = 109,059,089.47
5. Step 5: Solve for x
   x = 109,059,089.47/10,365.84
6. Step 6: Final answer
   x = 10,521.01