Finding the Fourth Proportional to 144,559,422.56, 199,494,321.32 and 78,479,868.49

Step by Step Solution

1. Step 1: Write the proportion equation
   144,559,422.56 : 199,494,321.32 = 78,479,868.49 : x
2. Step 2: Convert to fraction form
   144,559,422.56/199,494,321.32 = 78,479,868.49/x
3. Step 3: Cross multiply
   144,559,422.56x = 199,494,321.32 × 78,479,868.49
4. Step 4: Simplify right side
   144,559,422.56x = 15,656,288,101,392,866
5. Step 5: Solve for x
   x = 15,656,288,101,392,866/144,559,422.56
6. Step 6: Final answer
   x = 108,303,477.03