Finding the Fourth Proportional to 49,379,409, 74,068,901.94 and 12,491,648.14

Step by Step Solution

1. Step 1: Write the proportion equation
   49,379,409 : 74,068,901.94 = 12,491,648.14 : x
2. Step 2: Convert to fraction form
   49,379,409/74,068,901.94 = 12,491,648.14/x
3. Step 3: Cross multiply
   49,379,409x = 74,068,901.94 × 12,491,648.14
4. Step 4: Simplify right side
   49,379,409x = 925,242,661,150,643.38
5. Step 5: Solve for x
   x = 925,242,661,150,643.38/49,379,409
6. Step 6: Final answer
   x = 18,737,418.69