Finding the Fourth Proportional to 191,894.05, 264,814.82 and 105,856.05

Step by Step Solution

1. Step 1: Write the proportion equation
   191,894.05 : 264,814.82 = 105,856.05 : x
2. Step 2: Convert to fraction form
   191,894.05/264,814.82 = 105,856.05/x
3. Step 3: Cross multiply
   191,894.05x = 264,814.82 × 105,856.05
4. Step 4: Simplify right side
   191,894.05x = 28,032,250,826.66
5. Step 5: Solve for x
   x = 28,032,250,826.66/191,894.05
6. Step 6: Final answer
   x = 146,081.92