Finding the Fourth Proportional to 66,168.27, 99,196.59 and 28,700.12

Step by Step Solution

1. Step 1: Write the proportion equation
   66,168.27 : 99,196.59 = 28,700.12 : x
2. Step 2: Convert to fraction form
   66,168.27/99,196.59 = 28,700.12/x
3. Step 3: Cross multiply
   66,168.27x = 99,196.59 × 28,700.12
4. Step 4: Simplify right side
   66,168.27x = 2,846,954,108.34
5. Step 5: Solve for x
   x = 2,846,954,108.34/66,168.27
6. Step 6: Final answer
   x = 43,025.97