Finding the Fourth Proportional to 1,678,638.72, 2,316,448.89 and 953,484.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,638.72 : 2,316,448.89 = 953,484.24 : x
2. Step 2: Convert to fraction form
   1,678,638.72/2,316,448.89 = 953,484.24/x
3. Step 3: Cross multiply
   1,678,638.72x = 2,316,448.89 × 953,484.24
4. Step 4: Simplify right side
   1,678,638.72x = 2,208,697,509,380.49
5. Step 5: Solve for x
   x = 2,208,697,509,380.49/1,678,638.72
6. Step 6: Final answer
   x = 1,315,767.05