Finding the Fourth Proportional to 12,360.12, 17,052.30 and 7,884.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,360.12 : 17,052.30 = 7,884.06 : x
2. Step 2: Convert to fraction form
   12,360.12/17,052.30 = 7,884.06/x
3. Step 3: Cross multiply
   12,360.12x = 17,052.30 × 7,884.06
4. Step 4: Simplify right side
   12,360.12x = 134,441,356.34
5. Step 5: Solve for x
   x = 134,441,356.34/12,360.12
6. Step 6: Final answer
   x = 10,877.03