Finding the Fourth Proportional to 191,876.84, 264,791.76 and 105,839.16

Step by Step Solution

1. Step 1: Write the proportion equation
   191,876.84 : 264,791.76 = 105,839.16 : x
2. Step 2: Convert to fraction form
   191,876.84/264,791.76 = 105,839.16/x
3. Step 3: Cross multiply
   191,876.84x = 264,791.76 × 105,839.16
4. Step 4: Simplify right side
   191,876.84x = 28,025,337,453.32
5. Step 5: Solve for x
   x = 28,025,337,453.32/191,876.84
6. Step 6: Final answer
   x = 146,058.99