Finding the Fourth Proportional to 45,997.24, 69,083.40 and 28,588.72

Step by Step Solution

1. Step 1: Write the proportion equation
   45,997.24 : 69,083.40 = 28,588.72 : x
2. Step 2: Convert to fraction form
   45,997.24/69,083.40 = 28,588.72/x
3. Step 3: Cross multiply
   45,997.24x = 69,083.40 × 28,588.72
4. Step 4: Simplify right side
   45,997.24x = 1,975,005,979.25
5. Step 5: Solve for x
   x = 1,975,005,979.25/45,997.24
6. Step 6: Final answer
   x = 42,937.49