Finding the Fourth Proportional to 362,002.56, 543,005.69 and 148,886.70

Step by Step Solution

1. Step 1: Write the proportion equation
   362,002.56 : 543,005.69 = 148,886.70 : x
2. Step 2: Convert to fraction form
   362,002.56/543,005.69 = 148,886.70/x
3. Step 3: Cross multiply
   362,002.56x = 543,005.69 × 148,886.70
4. Step 4: Simplify right side
   362,002.56x = 80,846,324,520.89
5. Step 5: Solve for x
   x = 80,846,324,520.89/362,002.56
6. Step 6: Final answer
   x = 223,330.81