Finding the Fourth Proportional to 1,678,979.31, 2,316,999.42 and 953,866.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,979.31 : 2,316,999.42 = 953,866.82 : x
2. Step 2: Convert to fraction form
   1,678,979.31/2,316,999.42 = 953,866.82/x
3. Step 3: Cross multiply
   1,678,979.31x = 2,316,999.42 × 953,866.82
4. Step 4: Simplify right side
   1,678,979.31x = 2,210,108,857,112.25
5. Step 5: Solve for x
   x = 2,210,108,857,112.25/1,678,979.31
6. Step 6: Final answer
   x = 1,316,340.73