Finding the Fourth Proportional to 7,402.05, 10,211.00 and 5,012.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,402.05 : 10,211.00 = 5,012.15 : x
2. Step 2: Convert to fraction form
   7,402.05/10,211.00 = 5,012.15/x
3. Step 3: Cross multiply
   7,402.05x = 10,211.00 × 5,012.15
4. Step 4: Simplify right side
   7,402.05x = 51,178,987.53
5. Step 5: Solve for x
   x = 51,178,987.53/7,402.05
6. Step 6: Final answer
   x = 6,914.16