Finding the Fourth Proportional to 5,184.39, 7,155.98 and 2,947.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,184.39 : 7,155.98 = 2,947.51 : x
2. Step 2: Convert to fraction form
   5,184.39/7,155.98 = 2,947.51/x
3. Step 3: Cross multiply
   5,184.39x = 7,155.98 × 2,947.51
4. Step 4: Simplify right side
   5,184.39x = 21,092,322.61
5. Step 5: Solve for x
   x = 21,092,322.61/5,184.39
6. Step 6: Final answer
   x = 4,068.43