Finding the Fourth Proportional to 1,066,700.46, 1,471,926.06 and 631,131.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,700.46 : 1,471,926.06 = 631,131.18 : x
2. Step 2: Convert to fraction form
   1,066,700.46/1,471,926.06 = 631,131.18/x
3. Step 3: Cross multiply
   1,066,700.46x = 1,471,926.06 × 631,131.18
4. Step 4: Simplify right side
   1,066,700.46x = 928,978,431,120.55
5. Step 5: Solve for x
   x = 928,978,431,120.55/1,066,700.46
6. Step 6: Final answer
   x = 870,889.69