Finding the Fourth Proportional to 1,490,570.40, 2,235,892.35 and 543,940.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,570.40 : 2,235,892.35 = 543,940.82 : x
2. Step 2: Convert to fraction form
   1,490,570.40/2,235,892.35 = 543,940.82/x
3. Step 3: Cross multiply
   1,490,570.40x = 2,235,892.35 × 543,940.82
4. Step 4: Simplify right side
   1,490,570.40x = 1,216,193,107,111.27
5. Step 5: Solve for x
   x = 1,216,193,107,111.27/1,490,570.40
6. Step 6: Final answer
   x = 815,924.63