Finding the Fourth Proportional to 1,110,314.18, 1,665,336.63 and 311,659.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110,314.18 : 1,665,336.63 = 311,659.94 : x
2. Step 2: Convert to fraction form
   1,110,314.18/1,665,336.63 = 311,659.94/x
3. Step 3: Cross multiply
   1,110,314.18x = 1,665,336.63 × 311,659.94
4. Step 4: Simplify right side
   1,110,314.18x = 519,018,714,185.60
5. Step 5: Solve for x
   x = 519,018,714,185.60/1,110,314.18
6. Step 6: Final answer
   x = 467,452.12