Finding the Fourth Proportional to 7,100.53, 10,649.98 and 1,906.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.53 : 10,649.98 = 1,906.81 : x
2. Step 2: Convert to fraction form
   7,100.53/10,649.98 = 1,906.81/x
3. Step 3: Cross multiply
   7,100.53x = 10,649.98 × 1,906.81
4. Step 4: Simplify right side
   7,100.53x = 20,307,488.36
5. Step 5: Solve for x
   x = 20,307,488.36/7,100.53
6. Step 6: Final answer
   x = 2,860.00