Finding the Fourth Proportional to 2,945,162.60, 4,417,251.82 and 815,462

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945,162.60 : 4,417,251.82 = 815,462 : x
2. Step 2: Convert to fraction form
   2,945,162.60/4,417,251.82 = 815,462/x
3. Step 3: Cross multiply
   2,945,162.60x = 4,417,251.82 × 815,462
4. Step 4: Simplify right side
   2,945,162.60x = 3,602,101,003,640.84
5. Step 5: Solve for x
   x = 3,602,101,003,640.84/2,945,162.60
6. Step 6: Final answer
   x = 1,223,056.75