Finding the Fourth Proportional to 42,039,119.68, 63,053,255.76 and 13,288,161.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,039,119.68 : 63,053,255.76 = 13,288,161.58 : x
2. Step 2: Convert to fraction form
   42,039,119.68/63,053,255.76 = 13,288,161.58/x
3. Step 3: Cross multiply
   42,039,119.68x = 63,053,255.76 × 13,288,161.58
4. Step 4: Simplify right side
   42,039,119.68x = 837,861,850,476,482
5. Step 5: Solve for x
   x = 837,861,850,476,482/42,039,119.68
6. Step 6: Final answer
   x = 19,930,527.97