Finding the Fourth Proportional to 71,970,173.89, 107,783,648.06 and 45,980,716.37

Step by Step Solution

1. Step 1: Write the proportion equation
   71,970,173.89 : 107,783,648.06 = 45,980,716.37 : x
2. Step 2: Convert to fraction form
   71,970,173.89/107,783,648.06 = 45,980,716.37/x
3. Step 3: Cross multiply
   71,970,173.89x = 107,783,648.06 × 45,980,716.37
4. Step 4: Simplify right side
   71,970,173.89x = 4,955,969,350,540,857
5. Step 5: Solve for x
   x = 4,955,969,350,540,857/71,970,173.89
6. Step 6: Final answer
   x = 68,861,433.60