Finding the Fourth Proportional to 21,805,374.48, 30,091,618.59 and 12,016,168.99

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805,374.48 : 30,091,618.59 = 12,016,168.99 : x
2. Step 2: Convert to fraction form
   21,805,374.48/30,091,618.59 = 12,016,168.99/x
3. Step 3: Cross multiply
   21,805,374.48x = 30,091,618.59 × 12,016,168.99
4. Step 4: Simplify right side
   21,805,374.48x = 361,585,974,039,775.88
5. Step 5: Solve for x
   x = 361,585,974,039,775.88/21,805,374.48
6. Step 6: Final answer
   x = 16,582,424.41