Finding the Fourth Proportional to 21,810,526.71, 30,098,710.04 and 12,020,995.95

Step by Step Solution

1. Step 1: Write the proportion equation
   21,810,526.71 : 30,098,710.04 = 12,020,995.95 : x
2. Step 2: Convert to fraction form
   21,810,526.71/30,098,710.04 = 12,020,995.95/x
3. Step 3: Cross multiply
   21,810,526.71x = 30,098,710.04 × 12,020,995.95
4. Step 4: Simplify right side
   21,810,526.71x = 361,816,471,491,064.31
5. Step 5: Solve for x
   x = 361,816,471,491,064.31/21,810,526.71
6. Step 6: Final answer
   x = 16,589,075.37