Finding the Fourth Proportional to 937,406,022.56, 1,406,382,061.37 and 419,715,394.10

Step by Step Solution

1. Step 1: Write the proportion equation
   937,406,022.56 : 1,406,382,061.37 = 419,715,394.10 : x
2. Step 2: Convert to fraction form
   937,406,022.56/1,406,382,061.37 = 419,715,394.10/x
3. Step 3: Cross multiply
   937,406,022.56x = 1,406,382,061.37 × 419,715,394.10
4. Step 4: Simplify right side
   937,406,022.56x = 590,280,201,139,237,504
5. Step 5: Solve for x
   x = 590,280,201,139,237,504/937,406,022.56
6. Step 6: Final answer
   x = 629,695,336.85