Finding the Fourth Proportional to 262,061.33, 393,184.23 and 129,035.03

Step by Step Solution

1. Step 1: Write the proportion equation
   262,061.33 : 393,184.23 = 129,035.03 : x
2. Step 2: Convert to fraction form
   262,061.33/393,184.23 = 129,035.03/x
3. Step 3: Cross multiply
   262,061.33x = 393,184.23 × 129,035.03
4. Step 4: Simplify right side
   262,061.33x = 50,734,536,463.77
5. Step 5: Solve for x
   x = 50,734,536,463.77/262,061.33
6. Step 6: Final answer
   x = 193,597.95