Finding the Fourth Proportional to 10,061.79, 13,885.40 and 5,585.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.79 : 13,885.40 = 5,585.96 : x
2. Step 2: Convert to fraction form
   10,061.79/13,885.40 = 5,585.96/x
3. Step 3: Cross multiply
   10,061.79x = 13,885.40 × 5,585.96
4. Step 4: Simplify right side
   10,061.79x = 77,563,321.95
5. Step 5: Solve for x
   x = 77,563,321.95/10,061.79
6. Step 6: Final answer
   x = 7,708.70