Finding the Fourth Proportional to 2,397,354.78, 3,308,203.35 and 1,309,405.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397,354.78 : 3,308,203.35 = 1,309,405.98 : x
2. Step 2: Convert to fraction form
   2,397,354.78/3,308,203.35 = 1,309,405.98/x
3. Step 3: Cross multiply
   2,397,354.78x = 3,308,203.35 × 1,309,405.98
4. Step 4: Simplify right side
   2,397,354.78x = 4,331,781,249,546.03
5. Step 5: Solve for x
   x = 4,331,781,249,546.03/2,397,354.78
6. Step 6: Final answer
   x = 1,806,900.37