Finding the Fourth Proportional to 2,941,417.60, 4,412,380.53 and 811,501.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,941,417.60 : 4,412,380.53 = 811,501.72 : x
2. Step 2: Convert to fraction form
   2,941,417.60/4,412,380.53 = 811,501.72/x
3. Step 3: Cross multiply
   2,941,417.60x = 4,412,380.53 × 811,501.72
4. Step 4: Simplify right side
   2,941,417.60x = 3,580,654,389,389.51
5. Step 5: Solve for x
   x = 3,580,654,389,389.51/2,941,417.60
6. Step 6: Final answer
   x = 1,217,322.69