Finding the Fourth Proportional to 1,142,457.87, 1,576,591.89 and 633,193.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,457.87 : 1,576,591.89 = 633,193.05 : x
2. Step 2: Convert to fraction form
   1,142,457.87/1,576,591.89 = 633,193.05/x
3. Step 3: Cross multiply
   1,142,457.87x = 1,576,591.89 × 633,193.05
4. Step 4: Simplify right side
   1,142,457.87x = 998,287,027,434.37
5. Step 5: Solve for x
   x = 998,287,027,434.37/1,142,457.87
6. Step 6: Final answer
   x = 873,806.43