Finding the Fourth Proportional to 7,833.60, 11,820.18 and 7,529.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,833.60 : 11,820.18 = 7,529.82 : x
2. Step 2: Convert to fraction form
   7,833.60/11,820.18 = 7,529.82/x
3. Step 3: Cross multiply
   7,833.60x = 11,820.18 × 7,529.82
4. Step 4: Simplify right side
   7,833.60x = 89,003,827.77
5. Step 5: Solve for x
   x = 89,003,827.77/7,833.60
6. Step 6: Final answer
   x = 11,361.80