Finding the Fourth Proportional to 142,530,494.80, 213,796,453.98 and 50,414,317.78

Step by Step Solution

1. Step 1: Write the proportion equation
   142,530,494.80 : 213,796,453.98 = 50,414,317.78 : x
2. Step 2: Convert to fraction form
   142,530,494.80/213,796,453.98 = 50,414,317.78/x
3. Step 3: Cross multiply
   142,530,494.80x = 213,796,453.98 × 50,414,317.78
4. Step 4: Simplify right side
   142,530,494.80x = 10,778,402,371,184,866
5. Step 5: Solve for x
   x = 10,778,402,371,184,866/142,530,494.80
6. Step 6: Final answer
   x = 75,621,728.43