Finding the Fourth Proportional to 21,027,381.45, 29,030,922.69 and 16,123,182.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,027,381.45 : 29,030,922.69 = 16,123,182.18 : x
2. Step 2: Convert to fraction form
   21,027,381.45/29,030,922.69 = 16,123,182.18/x
3. Step 3: Cross multiply
   21,027,381.45x = 29,030,922.69 × 16,123,182.18
4. Step 4: Simplify right side
   21,027,381.45x = 468,070,855,384,365.69
5. Step 5: Solve for x
   x = 468,070,855,384,365.69/21,027,381.45
6. Step 6: Final answer
   x = 22,260,063.93