Finding the Fourth Proportional to 42,401,377.83, 63,547,078.69 and 19,040,871.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401,377.83 : 63,547,078.69 = 19,040,871.49 : x
2. Step 2: Convert to fraction form
   42,401,377.83/63,547,078.69 = 19,040,871.49/x
3. Step 3: Cross multiply
   42,401,377.83x = 63,547,078.69 × 19,040,871.49
4. Step 4: Simplify right side
   42,401,377.83x = 1,209,991,758,659,036
5. Step 5: Solve for x
   x = 1,209,991,758,659,036/42,401,377.83
6. Step 6: Final answer
   x = 28,536,614.16