Finding the Fourth Proportional to 9,600,772.56, 13,247,977.99 and 5,680,648.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,600,772.56 : 13,247,977.99 = 5,680,648.88 : x
2. Step 2: Convert to fraction form
   9,600,772.56/13,247,977.99 = 5,680,648.88/x
3. Step 3: Cross multiply
   9,600,772.56x = 13,247,977.99 × 5,680,648.88
4. Step 4: Simplify right side
   9,600,772.56x = 75,257,111,236,515.02
5. Step 5: Solve for x
   x = 75,257,111,236,515.02/9,600,772.56
6. Step 6: Final answer
   x = 7,838,651.60