Finding the Fourth Proportional to 2,545,783.76, 3,513,061.32 and 1,399,912.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,783.76 : 3,513,061.32 = 1,399,912.40 : x
2. Step 2: Convert to fraction form
   2,545,783.76/3,513,061.32 = 1,399,912.40/x
3. Step 3: Cross multiply
   2,545,783.76x = 3,513,061.32 × 1,399,912.40
4. Step 4: Simplify right side
   2,545,783.76x = 4,917,978,103,828.37
5. Step 5: Solve for x
   x = 4,917,978,103,828.37/2,545,783.76
6. Step 6: Final answer
   x = 1,931,812.98