Finding the Fourth Proportional to 507,093,406.34, 700,445,336.71 and 419,341,868.42

Step by Step Solution

1. Step 1: Write the proportion equation
   507,093,406.34 : 700,445,336.71 = 419,341,868.42 : x
2. Step 2: Convert to fraction form
   507,093,406.34/700,445,336.71 = 419,341,868.42/x
3. Step 3: Cross multiply
   507,093,406.34x = 700,445,336.71 × 419,341,868.42
4. Step 4: Simplify right side
   507,093,406.34x = 293,726,056,222,047,424
5. Step 5: Solve for x
   x = 293,726,056,222,047,424/507,093,406.34
6. Step 6: Final answer
   x = 579,234,619.40