Finding the Fourth Proportional to 21,805,425.54, 30,092,804.37 and 12,015,853.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805,425.54 : 30,092,804.37 = 12,015,853.02 : x
2. Step 2: Convert to fraction form
   21,805,425.54/30,092,804.37 = 12,015,853.02/x
3. Step 3: Cross multiply
   21,805,425.54x = 30,092,804.37 × 12,015,853.02
4. Step 4: Simplify right side
   21,805,425.54x = 361,590,714,269,533.69
5. Step 5: Solve for x
   x = 361,590,714,269,533.69/21,805,425.54
6. Step 6: Final answer
   x = 16,582,602.97