Finding the Fourth Proportional to 12,901,251.78, 19,354,677.39 and 3,925,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901,251.78 : 19,354,677.39 = 3,925,570.50 : x
2. Step 2: Convert to fraction form
   12,901,251.78/19,354,677.39 = 3,925,570.50/x
3. Step 3: Cross multiply
   12,901,251.78x = 19,354,677.39 × 3,925,570.50
4. Step 4: Simplify right side
   12,901,251.78x = 75,978,150,599,201
5. Step 5: Solve for x
   x = 75,978,150,599,201/12,901,251.78
6. Step 6: Final answer
   x = 5,889,207.64