Finding the Fourth Proportional to 80,949,799.98, 111,710,724 and 43,780,080

Step by Step Solution

1. Step 1: Write the proportion equation
   80,949,799.98 : 111,710,724 = 43,780,080 : x
2. Step 2: Convert to fraction form
   80,949,799.98/111,710,724 = 43,780,080/x
3. Step 3: Cross multiply
   80,949,799.98x = 111,710,724 × 43,780,080
4. Step 4: Simplify right side
   80,949,799.98x = 4,890,704,433,577,920
5. Step 5: Solve for x
   x = 4,890,704,433,577,920/80,949,799.98
6. Step 6: Final answer
   x = 60,416,510.41