Finding the Fourth Proportional to 22,588,003.72, 31,175,970.96 and 13,418,875

Step by Step Solution

1. Step 1: Write the proportion equation
   22,588,003.72 : 31,175,970.96 = 13,418,875 : x
2. Step 2: Convert to fraction form
   22,588,003.72/31,175,970.96 = 13,418,875/x
3. Step 3: Cross multiply
   22,588,003.72x = 31,175,970.96 × 13,418,875
4. Step 4: Simplify right side
   22,588,003.72x = 418,346,457,315,870
5. Step 5: Solve for x
   x = 418,346,457,315,870/22,588,003.72
6. Step 6: Final answer
   x = 18,520,736.16