Finding the Fourth Proportional to 28,482.72, 42,727.20 and 11,844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   28,482.72 : 42,727.20 = 11,844.72 : x
2. Step 2: Convert to fraction form
   28,482.72/42,727.20 = 11,844.72/x
3. Step 3: Cross multiply
   28,482.72x = 42,727.20 × 11,844.72
4. Step 4: Simplify right side
   28,482.72x = 506,091,720.38
5. Step 5: Solve for x
   x = 506,091,720.38/28,482.72
6. Step 6: Final answer
   x = 17,768.38