Finding the Fourth Proportional to 12,059,703.86, 18,092,354.06 and 3,972,389.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059,703.86 : 18,092,354.06 = 3,972,389.54 : x
2. Step 2: Convert to fraction form
   12,059,703.86/18,092,354.06 = 3,972,389.54/x
3. Step 3: Cross multiply
   12,059,703.86x = 18,092,354.06 × 3,972,389.54
4. Step 4: Simplify right side
   12,059,703.86x = 71,869,877,941,389.73
5. Step 5: Solve for x
   x = 71,869,877,941,389.73/12,059,703.86
6. Step 6: Final answer
   x = 5,959,506.04