Finding the Fourth Proportional to 9,026,978.48, 12,457,230.16 and 5,159,582.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,026,978.48 : 12,457,230.16 = 5,159,582.68 : x
2. Step 2: Convert to fraction form
   9,026,978.48/12,457,230.16 = 5,159,582.68/x
3. Step 3: Cross multiply
   9,026,978.48x = 12,457,230.16 × 5,159,582.68
4. Step 4: Simplify right side
   9,026,978.48x = 64,274,108,974,309.62
5. Step 5: Solve for x
   x = 64,274,108,974,309.62/9,026,978.48
6. Step 6: Final answer
   x = 7,120,224.02