Finding the Fourth Proportional to 496,389.72, 744,574.98 and 141,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   496,389.72 : 744,574.98 = 141,406.04 : x
2. Step 2: Convert to fraction form
   496,389.72/744,574.98 = 141,406.04/x
3. Step 3: Cross multiply
   496,389.72x = 744,574.98 × 141,406.04
4. Step 4: Simplify right side
   496,389.72x = 105,287,399,404.88
5. Step 5: Solve for x
   x = 105,287,399,404.88/496,389.72
6. Step 6: Final answer
   x = 212,106.33