Finding the Fourth Proportional to 21,853,457.46, 30,156,980.90 and 12,063,691.53

Step by Step Solution

1. Step 1: Write the proportion equation
   21,853,457.46 : 30,156,980.90 = 12,063,691.53 : x
2. Step 2: Convert to fraction form
   21,853,457.46/30,156,980.90 = 12,063,691.53/x
3. Step 3: Cross multiply
   21,853,457.46x = 30,156,980.90 × 12,063,691.53
4. Step 4: Simplify right side
   21,853,457.46x = 363,804,514,993,383.31
5. Step 5: Solve for x
   x = 363,804,514,993,383.31/21,853,457.46
6. Step 6: Final answer
   x = 16,647,457.99