Finding the Fourth Proportional to 372,870.72, 559,182.96 and 148,286.88

Step by Step Solution

1. Step 1: Write the proportion equation
   372,870.72 : 559,182.96 = 148,286.88 : x
2. Step 2: Convert to fraction form
   372,870.72/559,182.96 = 148,286.88/x
3. Step 3: Cross multiply
   372,870.72x = 559,182.96 × 148,286.88
4. Step 4: Simplify right side
   372,870.72x = 82,919,496,487.56
5. Step 5: Solve for x
   x = 82,919,496,487.56/372,870.72
6. Step 6: Final answer
   x = 222,381.36