Finding the Fourth Proportional to 10,782.20, 14,886.27 and 7,384.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,782.20 : 14,886.27 = 7,384.91 : x
2. Step 2: Convert to fraction form
   10,782.20/14,886.27 = 7,384.91/x
3. Step 3: Cross multiply
   10,782.20x = 14,886.27 × 7,384.91
4. Step 4: Simplify right side
   10,782.20x = 109,933,764.19
5. Step 5: Solve for x
   x = 109,933,764.19/10,782.20
6. Step 6: Final answer
   x = 10,195.86