Finding the Fourth Proportional to 1,256,141.76, 1,733,425.83 and 683,181.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,141.76 : 1,733,425.83 = 683,181.78 : x
2. Step 2: Convert to fraction form
   1,256,141.76/1,733,425.83 = 683,181.78/x
3. Step 3: Cross multiply
   1,256,141.76x = 1,733,425.83 × 683,181.78
4. Step 4: Simplify right side
   1,256,141.76x = 1,184,244,944,037.38
5. Step 5: Solve for x
   x = 1,184,244,944,037.38/1,256,141.76
6. Step 6: Final answer
   x = 942,763.77