Finding the Fourth Proportional to 2,667,174, 4,001,112.54 and 869,427.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,174 : 4,001,112.54 = 869,427.60 : x
2. Step 2: Convert to fraction form
   2,667,174/4,001,112.54 = 869,427.60/x
3. Step 3: Cross multiply
   2,667,174x = 4,001,112.54 × 869,427.60
4. Step 4: Simplify right side
   2,667,174x = 3,478,677,672,982.10
5. Step 5: Solve for x
   x = 3,478,677,672,982.10/2,667,174
6. Step 6: Final answer
   x = 1,304,255.99