Finding the Fourth Proportional to 8,911.98, 12,300.03 and 5,375.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,911.98 : 12,300.03 = 5,375.46 : x
2. Step 2: Convert to fraction form
   8,911.98/12,300.03 = 5,375.46/x
3. Step 3: Cross multiply
   8,911.98x = 12,300.03 × 5,375.46
4. Step 4: Simplify right side
   8,911.98x = 66,118,319.26
5. Step 5: Solve for x
   x = 66,118,319.26/8,911.98
6. Step 6: Final answer
   x = 7,419.04