Finding the Fourth Proportional to 2,230,611.75, 3,078,262.89 and 1,212,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230,611.75 : 3,078,262.89 = 1,212,016.50 : x
2. Step 2: Convert to fraction form
   2,230,611.75/3,078,262.89 = 1,212,016.50/x
3. Step 3: Cross multiply
   2,230,611.75x = 3,078,262.89 × 1,212,016.50
4. Step 4: Simplify right side
   2,230,611.75x = 3,730,905,414,017.69
5. Step 5: Solve for x
   x = 3,730,905,414,017.69/2,230,611.75
6. Step 6: Final answer
   x = 1,672,592.92