Finding the Fourth Proportional to 377,061.22, 520,347.89 and 204,979.53

Step by Step Solution

1. Step 1: Write the proportion equation
   377,061.22 : 520,347.89 = 204,979.53 : x
2. Step 2: Convert to fraction form
   377,061.22/520,347.89 = 204,979.53/x
3. Step 3: Cross multiply
   377,061.22x = 520,347.89 × 204,979.53
4. Step 4: Simplify right side
   377,061.22x = 106,660,665,928.69
5. Step 5: Solve for x
   x = 106,660,665,928.69/377,061.22
6. Step 6: Final answer
   x = 282,873.60