Finding the Fourth Proportional to 2,235,499.50, 3,084,989.70 and 1,216,911.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235,499.50 : 3,084,989.70 = 1,216,911.90 : x
2. Step 2: Convert to fraction form
   2,235,499.50/3,084,989.70 = 1,216,911.90/x
3. Step 3: Cross multiply
   2,235,499.50x = 3,084,989.70 × 1,216,911.90
4. Step 4: Simplify right side
   2,235,499.50x = 3,754,160,677,307.43
5. Step 5: Solve for x
   x = 3,754,160,677,307.43/2,235,499.50
6. Step 6: Final answer
   x = 1,679,338.63