Finding the Fourth Proportional to 1,941,546.96, 2,912,123.61 and 521,418.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941,546.96 : 2,912,123.61 = 521,418.51 : x
2. Step 2: Convert to fraction form
   1,941,546.96/2,912,123.61 = 521,418.51/x
3. Step 3: Cross multiply
   1,941,546.96x = 2,912,123.61 × 521,418.51
4. Step 4: Simplify right side
   1,941,546.96x = 1,518,435,153,662.02
5. Step 5: Solve for x
   x = 1,518,435,153,662.02/1,941,546.96
6. Step 6: Final answer
   x = 782,074.90