Finding the Fourth Proportional to 559,923.32, 840,233.30 and 227,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   559,923.32 : 840,233.30 = 227,499.32 : x
2. Step 2: Convert to fraction form
   559,923.32/840,233.30 = 227,499.32/x
3. Step 3: Cross multiply
   559,923.32x = 840,233.30 × 227,499.32
4. Step 4: Simplify right side
   559,923.32x = 191,152,499,052.69
5. Step 5: Solve for x
   x = 191,152,499,052.69/559,923.32
6. Step 6: Final answer
   x = 341,390.50