Finding the Fourth Proportional to 5,109.34, 7,663.98 and 2,887.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.34 : 7,663.98 = 2,887.17 : x
2. Step 2: Convert to fraction form
   5,109.34/7,663.98 = 2,887.17/x
3. Step 3: Cross multiply
   5,109.34x = 7,663.98 × 2,887.17
4. Step 4: Simplify right side
   5,109.34x = 22,127,174.82
5. Step 5: Solve for x
   x = 22,127,174.82/5,109.34
6. Step 6: Final answer
   x = 4,330.73