Finding the Fourth Proportional to 132,864.86, 199,328.72 and 52,907.45

Step by Step Solution

1. Step 1: Write the proportion equation
   132,864.86 : 199,328.72 = 52,907.45 : x
2. Step 2: Convert to fraction form
   132,864.86/199,328.72 = 52,907.45/x
3. Step 3: Cross multiply
   132,864.86x = 199,328.72 × 52,907.45
4. Step 4: Simplify right side
   132,864.86x = 10,545,974,286.96
5. Step 5: Solve for x
   x = 10,545,974,286.96/132,864.86
6. Step 6: Final answer
   x = 79,373.69