Finding the Fourth Proportional to 762,111.84, 1,051,720.56 and 422,585.76

Step by Step Solution

1. Step 1: Write the proportion equation
   762,111.84 : 1,051,720.56 = 422,585.76 : x
2. Step 2: Convert to fraction form
   762,111.84/1,051,720.56 = 422,585.76/x
3. Step 3: Cross multiply
   762,111.84x = 1,051,720.56 × 422,585.76
4. Step 4: Simplify right side
   762,111.84x = 444,442,132,155.23
5. Step 5: Solve for x
   x = 444,442,132,155.23/762,111.84
6. Step 6: Final answer
   x = 583,171.80