Finding the Fourth Proportional to 2,276,091.77, 3,140,969.40 and 1,243,577.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276,091.77 : 3,140,969.40 = 1,243,577.30 : x
2. Step 2: Convert to fraction form
   2,276,091.77/3,140,969.40 = 1,243,577.30/x
3. Step 3: Cross multiply
   2,276,091.77x = 3,140,969.40 × 1,243,577.30
4. Step 4: Simplify right side
   2,276,091.77x = 3,906,038,230,129.77
5. Step 5: Solve for x
   x = 3,906,038,230,129.77/2,276,091.77
6. Step 6: Final answer
   x = 1,716,116.32