Finding the Fourth Proportional to 1,674,870.17, 2,311,314.39 and 910,936.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,674,870.17 : 2,311,314.39 = 910,936.49 : x
2. Step 2: Convert to fraction form
   1,674,870.17/2,311,314.39 = 910,936.49/x
3. Step 3: Cross multiply
   1,674,870.17x = 2,311,314.39 × 910,936.49
4. Step 4: Simplify right side
   1,674,870.17x = 2,105,460,606,156.52
5. Step 5: Solve for x
   x = 2,105,460,606,156.52/1,674,870.17
6. Step 6: Final answer
   x = 1,257,088.85