Finding the Fourth Proportional to 3,870.22, 5,341.01 and 2,101.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.22 : 5,341.01 = 2,101.93 : x
2. Step 2: Convert to fraction form
   3,870.22/5,341.01 = 2,101.93/x
3. Step 3: Cross multiply
   3,870.22x = 5,341.01 × 2,101.93
4. Step 4: Simplify right side
   3,870.22x = 11,226,429.15
5. Step 5: Solve for x
   x = 11,226,429.15/3,870.22
6. Step 6: Final answer
   x = 2,900.72