Finding the Fourth Proportional to 6,602.17, 9,110.89 and 3,948.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,602.17 : 9,110.89 = 3,948.07 : x
2. Step 2: Convert to fraction form
   6,602.17/9,110.89 = 3,948.07/x
3. Step 3: Cross multiply
   6,602.17x = 9,110.89 × 3,948.07
4. Step 4: Simplify right side
   6,602.17x = 35,970,411.74
5. Step 5: Solve for x
   x = 35,970,411.74/6,602.17
6. Step 6: Final answer
   x = 5,448.27