Finding the Fourth Proportional to 741,051.57, 1,113,065.33 and 442,116.21

Step by Step Solution

1. Step 1: Write the proportion equation
   741,051.57 : 1,113,065.33 = 442,116.21 : x
2. Step 2: Convert to fraction form
   741,051.57/1,113,065.33 = 442,116.21/x
3. Step 3: Cross multiply
   741,051.57x = 1,113,065.33 × 442,116.21
4. Step 4: Simplify right side
   741,051.57x = 492,104,222,971.42
5. Step 5: Solve for x
   x = 492,104,222,971.42/741,051.57
6. Step 6: Final answer
   x = 664,062.05