Finding the Fourth Proportional to 7,155.82, 10,722.93 and 5,303.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.82 : 10,722.93 = 5,303.98 : x
2. Step 2: Convert to fraction form
   7,155.82/10,722.93 = 5,303.98/x
3. Step 3: Cross multiply
   7,155.82x = 10,722.93 × 5,303.98
4. Step 4: Simplify right side
   7,155.82x = 56,874,206.26
5. Step 5: Solve for x
   x = 56,874,206.26/7,155.82
6. Step 6: Final answer
   x = 7,947.96