Finding the Fourth Proportional to 42,373,099.69, 63,560,240.06 and 12,080,962.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,373,099.69 : 63,560,240.06 = 12,080,962.69 : x
2. Step 2: Convert to fraction form
   42,373,099.69/63,560,240.06 = 12,080,962.69/x
3. Step 3: Cross multiply
   42,373,099.69x = 63,560,240.06 × 12,080,962.69
4. Step 4: Simplify right side
   42,373,099.69x = 767,868,888,512,998
5. Step 5: Solve for x
   x = 767,868,888,512,998/42,373,099.69
6. Step 6: Final answer
   x = 18,121,612.40