Finding the Fourth Proportional to 22,646,819.77, 31,253,496.03 and 12,858,174.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,646,819.77 : 31,253,496.03 = 12,858,174.70 : x
2. Step 2: Convert to fraction form
   22,646,819.77/31,253,496.03 = 12,858,174.70/x
3. Step 3: Cross multiply
   22,646,819.77x = 31,253,496.03 × 12,858,174.70
4. Step 4: Simplify right side
   22,646,819.77x = 401,862,911,861,362.69
5. Step 5: Solve for x
   x = 401,862,911,861,362.69/22,646,819.77
6. Step 6: Final answer
   x = 17,744,783.42