Finding the Fourth Proportional to 191,568.89, 264,385.83 and 105,536.69

Step by Step Solution

1. Step 1: Write the proportion equation
   191,568.89 : 264,385.83 = 105,536.69 : x
2. Step 2: Convert to fraction form
   191,568.89/264,385.83 = 105,536.69/x
3. Step 3: Cross multiply
   191,568.89x = 264,385.83 × 105,536.69
4. Step 4: Simplify right side
   191,568.89x = 27,902,404,059.17
5. Step 5: Solve for x
   x = 27,902,404,059.17/191,568.89
6. Step 6: Final answer
   x = 145,652.06