Finding the Fourth Proportional to 1,776,018.78, 2,450,856.15 and 971,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,018.78 : 2,450,856.15 = 971,185.50 : x
2. Step 2: Convert to fraction form
   1,776,018.78/2,450,856.15 = 971,185.50/x
3. Step 3: Cross multiply
   1,776,018.78x = 2,450,856.15 × 971,185.50
4. Step 4: Simplify right side
   1,776,018.78x = 2,380,235,955,465.82
5. Step 5: Solve for x
   x = 2,380,235,955,465.82/1,776,018.78
6. Step 6: Final answer
   x = 1,340,208.78