Finding the Fourth Proportional to 9,856.51, 13,601.40 and 5,606.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.51 : 13,601.40 = 5,606.96 : x
2. Step 2: Convert to fraction form
   9,856.51/13,601.40 = 5,606.96/x
3. Step 3: Cross multiply
   9,856.51x = 13,601.40 × 5,606.96
4. Step 4: Simplify right side
   9,856.51x = 76,262,505.74
5. Step 5: Solve for x
   x = 76,262,505.74/9,856.51
6. Step 6: Final answer
   x = 7,737.27