Finding the Fourth Proportional to 71,978,234.99, 107,970,425.18 and 28,268,466.35

Step by Step Solution

1. Step 1: Write the proportion equation
   71,978,234.99 : 107,970,425.18 = 28,268,466.35 : x
2. Step 2: Convert to fraction form
   71,978,234.99/107,970,425.18 = 28,268,466.35/x
3. Step 3: Cross multiply
   71,978,234.99x = 107,970,425.18 × 28,268,466.35
4. Step 4: Simplify right side
   71,978,234.99x = 3,052,158,330,854,680.50
5. Step 5: Solve for x
   x = 3,052,158,330,854,680.50/71,978,234.99
6. Step 6: Final answer
   x = 42,403,906.28