Finding the Fourth Proportional to 191,941.32, 264,879.94 and 105,900.30

Step by Step Solution

1. Step 1: Write the proportion equation
   191,941.32 : 264,879.94 = 105,900.30 : x
2. Step 2: Convert to fraction form
   191,941.32/264,879.94 = 105,900.30/x
3. Step 3: Cross multiply
   191,941.32x = 264,879.94 × 105,900.30
4. Step 4: Simplify right side
   191,941.32x = 28,050,864,845.23
5. Step 5: Solve for x
   x = 28,050,864,845.23/191,941.32
6. Step 6: Final answer
   x = 146,142.92