Finding the Fourth Proportional to 7,298.98, 10,071.86 and 4,112.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,298.98 : 10,071.86 = 4,112.20 : x
2. Step 2: Convert to fraction form
   7,298.98/10,071.86 = 4,112.20/x
3. Step 3: Cross multiply
   7,298.98x = 10,071.86 × 4,112.20
4. Step 4: Simplify right side
   7,298.98x = 41,417,514.71
5. Step 5: Solve for x
   x = 41,417,514.71/7,298.98
6. Step 6: Final answer
   x = 5,674.42