Finding the Fourth Proportional to 192,761.82, 266,002.25 and 105,545.34

Step by Step Solution

1. Step 1: Write the proportion equation
   192,761.82 : 266,002.25 = 105,545.34 : x
2. Step 2: Convert to fraction form
   192,761.82/266,002.25 = 105,545.34/x
3. Step 3: Cross multiply
   192,761.82x = 266,002.25 × 105,545.34
4. Step 4: Simplify right side
   192,761.82x = 28,075,297,389.29
5. Step 5: Solve for x
   x = 28,075,297,389.29/192,761.82
6. Step 6: Final answer
   x = 145,647.60