Finding the Fourth Proportional to 10,031.06, 13,842.39 and 5,782.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.06 : 13,842.39 = 5,782.88 : x
2. Step 2: Convert to fraction form
   10,031.06/13,842.39 = 5,782.88/x
3. Step 3: Cross multiply
   10,031.06x = 13,842.39 × 5,782.88
4. Step 4: Simplify right side
   10,031.06x = 80,048,858.71
5. Step 5: Solve for x
   x = 80,048,858.71/10,031.06
6. Step 6: Final answer
   x = 7,980.10