Finding the Fourth Proportional to 21,873,385.94, 30,185,129.12 and 12,084,461.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,873,385.94 : 30,185,129.12 = 12,084,461.42 : x
2. Step 2: Convert to fraction form
   21,873,385.94/30,185,129.12 = 12,084,461.42/x
3. Step 3: Cross multiply
   21,873,385.94x = 30,185,129.12 × 12,084,461.42
4. Step 4: Simplify right side
   21,873,385.94x = 364,771,028,308,358.56
5. Step 5: Solve for x
   x = 364,771,028,308,358.56/21,873,385.94
6. Step 6: Final answer
   x = 16,676,477.49