Finding the Fourth Proportional to 1,918,988, 2,648,436.72 and 1,114,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,988 : 2,648,436.72 = 1,114,172 : x
2. Step 2: Convert to fraction form
   1,918,988/2,648,436.72 = 1,114,172/x
3. Step 3: Cross multiply
   1,918,988x = 2,648,436.72 × 1,114,172
4. Step 4: Simplify right side
   1,918,988x = 2,950,814,037,195.84
5. Step 5: Solve for x
   x = 2,950,814,037,195.84/1,918,988
6. Step 6: Final answer
   x = 1,537,692.80