Finding the Fourth Proportional to 191,061, 263,675.12 and 106,205.40

Step by Step Solution

1. Step 1: Write the proportion equation
   191,061 : 263,675.12 = 106,205.40 : x
2. Step 2: Convert to fraction form
   191,061/263,675.12 = 106,205.40/x
3. Step 3: Cross multiply
   191,061x = 263,675.12 × 106,205.40
4. Step 4: Simplify right side
   191,061x = 28,003,721,058.62
5. Step 5: Solve for x
   x = 28,003,721,058.62/191,061
6. Step 6: Final answer
   x = 146,569.53