Finding the Fourth Proportional to 8,092,079.86, 12,139,869.39 and 4,305,012.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,092,079.86 : 12,139,869.39 = 4,305,012.34 : x
2. Step 2: Convert to fraction form
   8,092,079.86/12,139,869.39 = 4,305,012.34/x
3. Step 3: Cross multiply
   8,092,079.86x = 12,139,869.39 × 4,305,012.34
4. Step 4: Simplify right side
   8,092,079.86x = 52,262,287,529,938.27
5. Step 5: Solve for x
   x = 52,262,287,529,938.27/8,092,079.86
6. Step 6: Final answer
   x = 6,458,449.30