Finding the Fourth Proportional to 285,196.96, 427,892.68 and 107,755.12

Step by Step Solution

1. Step 1: Write the proportion equation
   285,196.96 : 427,892.68 = 107,755.12 : x
2. Step 2: Convert to fraction form
   285,196.96/427,892.68 = 107,755.12/x
3. Step 3: Cross multiply
   285,196.96x = 427,892.68 × 107,755.12
4. Step 4: Simplify right side
   285,196.96x = 46,107,627,080.52
5. Step 5: Solve for x
   x = 46,107,627,080.52/285,196.96
6. Step 6: Final answer
   x = 161,669.42