Finding the Fourth Proportional to 10,061.88, 13,885.35 and 5,585.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.88 : 13,885.35 = 5,585.67 : x
2. Step 2: Convert to fraction form
   10,061.88/13,885.35 = 5,585.67/x
3. Step 3: Cross multiply
   10,061.88x = 13,885.35 × 5,585.67
4. Step 4: Simplify right side
   10,061.88x = 77,558,982.93
5. Step 5: Solve for x
   x = 77,558,982.93/10,061.88
6. Step 6: Final answer
   x = 7,708.20