Finding the Fourth Proportional to 51,158.42, 70,599.83 and 28,498.94

Step by Step Solution

1. Step 1: Write the proportion equation
   51,158.42 : 70,599.83 = 28,498.94 : x
2. Step 2: Convert to fraction form
   51,158.42/70,599.83 = 28,498.94/x
3. Step 3: Cross multiply
   51,158.42x = 70,599.83 × 28,498.94
4. Step 4: Simplify right side
   51,158.42x = 2,012,020,319.18
5. Step 5: Solve for x
   x = 2,012,020,319.18/51,158.42
6. Step 6: Final answer
   x = 39,329.21