Finding the Fourth Proportional to 5,196.62, 7,798.01 and 1,912.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.62 : 7,798.01 = 1,912.02 : x
2. Step 2: Convert to fraction form
   5,196.62/7,798.01 = 1,912.02/x
3. Step 3: Cross multiply
   5,196.62x = 7,798.01 × 1,912.02
4. Step 4: Simplify right side
   5,196.62x = 14,909,941.52
5. Step 5: Solve for x
   x = 14,909,941.52/5,196.62
6. Step 6: Final answer
   x = 2,869.16