Finding the Fourth Proportional to 1,256,152.56, 1,733,498.74 and 683,196.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,152.56 : 1,733,498.74 = 683,196.90 : x
2. Step 2: Convert to fraction form
   1,256,152.56/1,733,498.74 = 683,196.90/x
3. Step 3: Cross multiply
   1,256,152.56x = 1,733,498.74 × 683,196.90
4. Step 4: Simplify right side
   1,256,152.56x = 1,184,320,965,321.91
5. Step 5: Solve for x
   x = 1,184,320,965,321.91/1,256,152.56
6. Step 6: Final answer
   x = 942,816.19