Finding the Fourth Proportional to 28,771,401.40, 42,947,215.61 and 25,139,297.41

Step by Step Solution

1. Step 1: Write the proportion equation
   28,771,401.40 : 42,947,215.61 = 25,139,297.41 : x
2. Step 2: Convert to fraction form
   28,771,401.40/42,947,215.61 = 25,139,297.41/x
3. Step 3: Cross multiply
   28,771,401.40x = 42,947,215.61 × 25,139,297.41
4. Step 4: Simplify right side
   28,771,401.40x = 1,079,662,825,918,119.88
5. Step 5: Solve for x
   x = 1,079,662,825,918,119.88/28,771,401.40
6. Step 6: Final answer
   x = 37,525,555.71