Finding the Fourth Proportional to 14,540,929.60, 21,858,633.60 and 12,462,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,540,929.60 : 21,858,633.60 = 12,462,404.80 : x
2. Step 2: Convert to fraction form
   14,540,929.60/21,858,633.60 = 12,462,404.80/x
3. Step 3: Cross multiply
   14,540,929.60x = 21,858,633.60 × 12,462,404.80
4. Step 4: Simplify right side
   14,540,929.60x = 272,411,140,298,081.31
5. Step 5: Solve for x
   x = 272,411,140,298,081.31/14,540,929.60
6. Step 6: Final answer
   x = 18,734,093.88