Finding the Fourth Proportional to 1,256,142.22, 1,733,471.42 and 683,191.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,142.22 : 1,733,471.42 = 683,191.96 : x
2. Step 2: Convert to fraction form
   1,256,142.22/1,733,471.42 = 683,191.96/x
3. Step 3: Cross multiply
   1,256,142.22x = 1,733,471.42 × 683,191.96
4. Step 4: Simplify right side
   1,256,142.22x = 1,184,293,729,284.15
5. Step 5: Solve for x
   x = 1,184,293,729,284.15/1,256,142.22
6. Step 6: Final answer
   x = 942,802.27