Finding the Fourth Proportional to 3,848,887.98, 5,774,614.56 and 1,290,355.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,848,887.98 : 5,774,614.56 = 1,290,355.88 : x
2. Step 2: Convert to fraction form
   3,848,887.98/5,774,614.56 = 1,290,355.88/x
3. Step 3: Cross multiply
   3,848,887.98x = 5,774,614.56 × 1,290,355.88
4. Step 4: Simplify right side
   3,848,887.98x = 7,451,307,852,229.61
5. Step 5: Solve for x
   x = 7,451,307,852,229.61/3,848,887.98
6. Step 6: Final answer
   x = 1,935,963.81