Finding the Fourth Proportional to 297,222.52, 445,794.72 and 86,881.72

Step by Step Solution

1. Step 1: Write the proportion equation
   297,222.52 : 445,794.72 = 86,881.72 : x
2. Step 2: Convert to fraction form
   297,222.52/445,794.72 = 86,881.72/x
3. Step 3: Cross multiply
   297,222.52x = 445,794.72 × 86,881.72
4. Step 4: Simplify right side
   297,222.52x = 38,731,412,040.52
5. Step 5: Solve for x
   x = 38,731,412,040.52/297,222.52
6. Step 6: Final answer
   x = 130,311.16