Finding the Fourth Proportional to 5,368.82, 8,008.63 and 5,279.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,368.82 : 8,008.63 = 5,279.72 : x
2. Step 2: Convert to fraction form
   5,368.82/8,008.63 = 5,279.72/x
3. Step 3: Cross multiply
   5,368.82x = 8,008.63 × 5,279.72
4. Step 4: Simplify right side
   5,368.82x = 42,283,323.98
5. Step 5: Solve for x
   x = 42,283,323.98/5,368.82
6. Step 6: Final answer
   x = 7,875.72