Finding the Fourth Proportional to 5,336.51, 7,364.72 and 2,978.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.51 : 7,364.72 = 2,978.65 : x
2. Step 2: Convert to fraction form
   5,336.51/7,364.72 = 2,978.65/x
3. Step 3: Cross multiply
   5,336.51x = 7,364.72 × 2,978.65
4. Step 4: Simplify right side
   5,336.51x = 21,936,919.17
5. Step 5: Solve for x
   x = 21,936,919.17/5,336.51
6. Step 6: Final answer
   x = 4,110.73