Finding the Fourth Proportional to 2,945,162.07, 4,417,251.03 and 815,461.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945,162.07 : 4,417,251.03 = 815,461.47 : x
2. Step 2: Convert to fraction form
   2,945,162.07/4,417,251.03 = 815,461.47/x
3. Step 3: Cross multiply
   2,945,162.07x = 4,417,251.03 × 815,461.47
4. Step 4: Simplify right side
   2,945,162.07x = 3,602,098,018,282.81
5. Step 5: Solve for x
   x = 3,602,098,018,282.81/2,945,162.07
6. Step 6: Final answer
   x = 1,223,055.96