Finding the Fourth Proportional to 2,671,293.78, 3,997,362.78 and 2,312,698.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671,293.78 : 3,997,362.78 = 2,312,698.10 : x
2. Step 2: Convert to fraction form
   2,671,293.78/3,997,362.78 = 2,312,698.10/x
3. Step 3: Cross multiply
   2,671,293.78x = 3,997,362.78 × 2,312,698.10
4. Step 4: Simplify right side
   2,671,293.78x = 9,244,693,306,316.72
5. Step 5: Solve for x
   x = 9,244,693,306,316.72/2,671,293.78
6. Step 6: Final answer
   x = 3,460,755.00