Finding the Fourth Proportional to 12,978,922.94, 19,466,897.24 and 3,395,226.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,978,922.94 : 19,466,897.24 = 3,395,226.50 : x
2. Step 2: Convert to fraction form
   12,978,922.94/19,466,897.24 = 3,395,226.50/x
3. Step 3: Cross multiply
   12,978,922.94x = 19,466,897.24 × 3,395,226.50
4. Step 4: Simplify right side
   12,978,922.94x = 66,094,525,366,179.30
5. Step 5: Solve for x
   x = 66,094,525,366,179.30/12,978,922.94
6. Step 6: Final answer
   x = 5,092,450.71