Finding the Fourth Proportional to 377,059.83, 520,345.94 and 204,978.12

Step by Step Solution

1. Step 1: Write the proportion equation
   377,059.83 : 520,345.94 = 204,978.12 : x
2. Step 2: Convert to fraction form
   377,059.83/520,345.94 = 204,978.12/x
3. Step 3: Cross multiply
   377,059.83x = 520,345.94 × 204,978.12
4. Step 4: Simplify right side
   377,059.83x = 106,659,532,530.83
5. Step 5: Solve for x
   x = 106,659,532,530.83/377,059.83
6. Step 6: Final answer
   x = 282,871.64