Finding the Fourth Proportional to 22,588,002.72, 31,175,969.58 and 13,418,874

Step by Step Solution

1. Step 1: Write the proportion equation
   22,588,002.72 : 31,175,969.58 = 13,418,874 : x
2. Step 2: Convert to fraction form
   22,588,002.72/31,175,969.58 = 13,418,874/x
3. Step 3: Cross multiply
   22,588,002.72x = 31,175,969.58 × 13,418,874
4. Step 4: Simplify right side
   22,588,002.72x = 418,346,407,621,852.88
5. Step 5: Solve for x
   x = 418,346,407,621,852.88/22,588,002.72
6. Step 6: Final answer
   x = 18,520,734.78