Finding the Fourth Proportional to 3,499.99, 4,820.22 and 2,905.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.99 : 4,820.22 = 2,905.06 : x
2. Step 2: Convert to fraction form
   3,499.99/4,820.22 = 2,905.06/x
3. Step 3: Cross multiply
   3,499.99x = 4,820.22 × 2,905.06
4. Step 4: Simplify right side
   3,499.99x = 14,003,028.31
5. Step 5: Solve for x
   x = 14,003,028.31/3,499.99
6. Step 6: Final answer
   x = 4,000.88