Finding the Fourth Proportional to 5,299,047.54, 7,946,643.78 and 2,266,635.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,299,047.54 : 7,946,643.78 = 2,266,635.42 : x
2. Step 2: Convert to fraction form
   5,299,047.54/7,946,643.78 = 2,266,635.42/x
3. Step 3: Cross multiply
   5,299,047.54x = 7,946,643.78 × 2,266,635.42
4. Step 4: Simplify right side
   5,299,047.54x = 18,012,144,261,870.69
5. Step 5: Solve for x
   x = 18,012,144,261,870.69/5,299,047.54
6. Step 6: Final answer
   x = 3,399,128.64