Finding the Fourth Proportional to 2,461,887.50, 3,397,522.11 and 1,388,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461,887.50 : 3,397,522.11 = 1,388,799.50 : x
2. Step 2: Convert to fraction form
   2,461,887.50/3,397,522.11 = 1,388,799.50/x
3. Step 3: Cross multiply
   2,461,887.50x = 3,397,522.11 × 1,388,799.50
4. Step 4: Simplify right side
   2,461,887.50x = 4,718,477,007,606.94
5. Step 5: Solve for x
   x = 4,718,477,007,606.94/2,461,887.50
6. Step 6: Final answer
   x = 1,916,609.52