Finding the Fourth Proportional to 1,384,164.48, 1,910,280.56 and 840,174.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,164.48 : 1,910,280.56 = 840,174.88 : x
2. Step 2: Convert to fraction form
   1,384,164.48/1,910,280.56 = 840,174.88/x
3. Step 3: Cross multiply
   1,384,164.48x = 1,910,280.56 × 840,174.88
4. Step 4: Simplify right side
   1,384,164.48x = 1,604,969,740,264.33
5. Step 5: Solve for x
   x = 1,604,969,740,264.33/1,384,164.48
6. Step 6: Final answer
   x = 1,159,522.41