Finding the Fourth Proportional to 282,168.68, 389,404.01 and 154,848.83

Step by Step Solution

1. Step 1: Write the proportion equation
   282,168.68 : 389,404.01 = 154,848.83 : x
2. Step 2: Convert to fraction form
   282,168.68/389,404.01 = 154,848.83/x
3. Step 3: Cross multiply
   282,168.68x = 389,404.01 × 154,848.83
4. Step 4: Simplify right side
   282,168.68x = 60,298,755,345.81
5. Step 5: Solve for x
   x = 60,298,755,345.81/282,168.68
6. Step 6: Final answer
   x = 213,697.55