Finding the Fourth Proportional to 377,079.89, 520,311.76 and 224,061.17

Step by Step Solution

1. Step 1: Write the proportion equation
   377,079.89 : 520,311.76 = 224,061.17 : x
2. Step 2: Convert to fraction form
   377,079.89/520,311.76 = 224,061.17/x
3. Step 3: Cross multiply
   377,079.89x = 520,311.76 × 224,061.17
4. Step 4: Simplify right side
   377,079.89x = 116,581,662,450.99
5. Step 5: Solve for x
   x = 116,581,662,450.99/377,079.89
6. Step 6: Final answer
   x = 309,169.66