Finding the Fourth Proportional to 12,978,944.67, 19,466,929.83 and 3,395,248.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,978,944.67 : 19,466,929.83 = 3,395,248.23 : x
2. Step 2: Convert to fraction form
   12,978,944.67/19,466,929.83 = 3,395,248.23/x
3. Step 3: Cross multiply
   12,978,944.67x = 19,466,929.83 × 3,395,248.23
4. Step 4: Simplify right side
   12,978,944.67x = 66,095,059,048,841.70
5. Step 5: Solve for x
   x = 66,095,059,048,841.70/12,978,944.67
6. Step 6: Final answer
   x = 5,092,483.31