Finding the Fourth Proportional to 1,111,714.68, 1,667,670.42 and 313,003.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,714.68 : 1,667,670.42 = 313,003.08 : x
2. Step 2: Convert to fraction form
   1,111,714.68/1,667,670.42 = 313,003.08/x
3. Step 3: Cross multiply
   1,111,714.68x = 1,667,670.42 × 313,003.08
4. Step 4: Simplify right side
   1,111,714.68x = 521,985,977,884.89
5. Step 5: Solve for x
   x = 521,985,977,884.89/1,111,714.68
6. Step 6: Final answer
   x = 469,532.32