Finding the Fourth Proportional to 1,066,661.06, 1,471,964.00 and 631,100.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,661.06 : 1,471,964.00 = 631,100.87 : x
2. Step 2: Convert to fraction form
   1,066,661.06/1,471,964.00 = 631,100.87/x
3. Step 3: Cross multiply
   1,066,661.06x = 1,471,964.00 × 631,100.87
4. Step 4: Simplify right side
   1,066,661.06x = 928,957,756,013.22
5. Step 5: Solve for x
   x = 928,957,756,013.22/1,066,661.06
6. Step 6: Final answer
   x = 870,902.48