Finding the Fourth Proportional to 2,243,066.76, 3,095,485.20 and 1,224,478.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,066.76 : 3,095,485.20 = 1,224,478.80 : x
2. Step 2: Convert to fraction form
   2,243,066.76/3,095,485.20 = 1,224,478.80/x
3. Step 3: Cross multiply
   2,243,066.76x = 3,095,485.20 × 1,224,478.80
4. Step 4: Simplify right side
   2,243,066.76x = 3,790,356,003,113.76
5. Step 5: Solve for x
   x = 3,790,356,003,113.76/2,243,066.76
6. Step 6: Final answer
   x = 1,689,809.72