Finding the Fourth Proportional to 191,815.35, 264,706.32 and 111,290.82

Step by Step Solution

1. Step 1: Write the proportion equation
   191,815.35 : 264,706.32 = 111,290.82 : x
2. Step 2: Convert to fraction form
   191,815.35/264,706.32 = 111,290.82/x
3. Step 3: Cross multiply
   191,815.35x = 264,706.32 × 111,290.82
4. Step 4: Simplify right side
   191,815.35x = 29,459,383,411.98
5. Step 5: Solve for x
   x = 29,459,383,411.98/191,815.35
6. Step 6: Final answer
   x = 153,581.99