Finding the Fourth Proportional to 1,404,150, 1,936,939.68 and 860,549.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,150 : 1,936,939.68 = 860,549.28 : x
2. Step 2: Convert to fraction form
   1,404,150/1,936,939.68 = 860,549.28/x
3. Step 3: Cross multiply
   1,404,150x = 1,936,939.68 × 860,549.28
4. Step 4: Simplify right side
   1,404,150x = 1,666,832,047,027.43
5. Step 5: Solve for x
   x = 1,666,832,047,027.43/1,404,150
6. Step 6: Final answer
   x = 1,187,075.49