Finding the Fourth Proportional to 7,903.12, 11,792.56 and 7,635.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,903.12 : 11,792.56 = 7,635.59 : x
2. Step 2: Convert to fraction form
   7,903.12/11,792.56 = 7,635.59/x
3. Step 3: Cross multiply
   7,903.12x = 11,792.56 × 7,635.59
4. Step 4: Simplify right side
   7,903.12x = 90,043,188.34
5. Step 5: Solve for x
   x = 90,043,188.34/7,903.12
6. Step 6: Final answer
   x = 11,393.37