Finding the Fourth Proportional to 9,819.91, 14,743.70 and 7,045.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.91 : 14,743.70 = 7,045.07 : x
2. Step 2: Convert to fraction form
   9,819.91/14,743.70 = 7,045.07/x
3. Step 3: Cross multiply
   9,819.91x = 14,743.70 × 7,045.07
4. Step 4: Simplify right side
   9,819.91x = 103,870,397.74
5. Step 5: Solve for x
   x = 103,870,397.74/9,819.91
6. Step 6: Final answer
   x = 10,577.53