Finding the Fourth Proportional to 6,488.90, 9,734.71 and 2,106.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,488.90 : 9,734.71 = 2,106.01 : x
2. Step 2: Convert to fraction form
   6,488.90/9,734.71 = 2,106.01/x
3. Step 3: Cross multiply
   6,488.90x = 9,734.71 × 2,106.01
4. Step 4: Simplify right side
   6,488.90x = 20,501,396.61
5. Step 5: Solve for x
   x = 20,501,396.61/6,488.90
6. Step 6: Final answer
   x = 3,159.46