Finding the Fourth Proportional to 191,898.72, 264,819.72 and 107,015.88

Step by Step Solution

1. Step 1: Write the proportion equation
   191,898.72 : 264,819.72 = 107,015.88 : x
2. Step 2: Convert to fraction form
   191,898.72/264,819.72 = 107,015.88/x
3. Step 3: Cross multiply
   191,898.72x = 264,819.72 × 107,015.88
4. Step 4: Simplify right side
   191,898.72x = 28,339,915,377.15
5. Step 5: Solve for x
   x = 28,339,915,377.15/191,898.72
6. Step 6: Final answer
   x = 147,681.63