Finding the Fourth Proportional to 1,678,667.31, 2,518,977.96 and 705,961.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,667.31 : 2,518,977.96 = 705,961.71 : x
2. Step 2: Convert to fraction form
   1,678,667.31/2,518,977.96 = 705,961.71/x
3. Step 3: Cross multiply
   1,678,667.31x = 2,518,977.96 × 705,961.71
4. Step 4: Simplify right side
   1,678,667.31x = 1,778,301,988,093.91
5. Step 5: Solve for x
   x = 1,778,301,988,093.91/1,678,667.31
6. Step 6: Final answer
   x = 1,059,353.44