Finding the Fourth Proportional to 1,141,086.39, 1,574,748.42 and 631,788.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,086.39 : 1,574,748.42 = 631,788.75 : x
2. Step 2: Convert to fraction form
   1,141,086.39/1,574,748.42 = 631,788.75/x
3. Step 3: Cross multiply
   1,141,086.39x = 1,574,748.42 × 631,788.75
4. Step 4: Simplify right side
   1,141,086.39x = 994,908,335,836.28
5. Step 5: Solve for x
   x = 994,908,335,836.28/1,141,086.39
6. Step 6: Final answer
   x = 871,895.72