Finding the Fourth Proportional to 2,147,611.50, 3,221,436.69 and 651,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,611.50 : 3,221,436.69 = 651,703.50 : x
2. Step 2: Convert to fraction form
   2,147,611.50/3,221,436.69 = 651,703.50/x
3. Step 3: Cross multiply
   2,147,611.50x = 3,221,436.69 × 651,703.50
4. Step 4: Simplify right side
   2,147,611.50x = 2,099,421,565,901.42
5. Step 5: Solve for x
   x = 2,099,421,565,901.42/2,147,611.50
6. Step 6: Final answer
   x = 977,561.15