Finding the Fourth Proportional to 51,158.52, 70,598.79 and 28,499.58

Step by Step Solution

1. Step 1: Write the proportion equation
   51,158.52 : 70,598.79 = 28,499.58 : x
2. Step 2: Convert to fraction form
   51,158.52/70,598.79 = 28,499.58/x
3. Step 3: Cross multiply
   51,158.52x = 70,598.79 × 28,499.58
4. Step 4: Simplify right side
   51,158.52x = 2,012,035,863.51
5. Step 5: Solve for x
   x = 2,012,035,863.51/51,158.52
6. Step 6: Final answer
   x = 39,329.44