Finding the Fourth Proportional to 7,333.72, 10,994.40 and 4,987.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,333.72 : 10,994.40 = 4,987.15 : x
2. Step 2: Convert to fraction form
   7,333.72/10,994.40 = 4,987.15/x
3. Step 3: Cross multiply
   7,333.72x = 10,994.40 × 4,987.15
4. Step 4: Simplify right side
   7,333.72x = 54,830,721.96
5. Step 5: Solve for x
   x = 54,830,721.96/7,333.72
6. Step 6: Final answer
   x = 7,476.52