Finding the Fourth Proportional to 42,384,741.40, 63,577,112.10 and 15,121,818.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384,741.40 : 63,577,112.10 = 15,121,818.10 : x
2. Step 2: Convert to fraction form
   42,384,741.40/63,577,112.10 = 15,121,818.10/x
3. Step 3: Cross multiply
   42,384,741.40x = 63,577,112.10 × 15,121,818.10
4. Step 4: Simplify right side
   42,384,741.40x = 961,401,524,499,509
5. Step 5: Solve for x
   x = 961,401,524,499,509/42,384,741.40
6. Step 6: Final answer
   x = 22,682,727.15