Finding the Fourth Proportional to 191,666.52, 264,499.88 and 106,789.12

Step by Step Solution

1. Step 1: Write the proportion equation
   191,666.52 : 264,499.88 = 106,789.12 : x
2. Step 2: Convert to fraction form
   191,666.52/264,499.88 = 106,789.12/x
3. Step 3: Cross multiply
   191,666.52x = 264,499.88 × 106,789.12
4. Step 4: Simplify right side
   191,666.52x = 28,245,709,425.31
5. Step 5: Solve for x
   x = 28,245,709,425.31/191,666.52
6. Step 6: Final answer
   x = 147,369.03