Finding the Fourth Proportional to 51,359.04, 70,876.98 and 28,697.34

Step by Step Solution

1. Step 1: Write the proportion equation
   51,359.04 : 70,876.98 = 28,697.34 : x
2. Step 2: Convert to fraction form
   51,359.04/70,876.98 = 28,697.34/x
3. Step 3: Cross multiply
   51,359.04x = 70,876.98 × 28,697.34
4. Step 4: Simplify right side
   51,359.04x = 2,033,980,793.23
5. Step 5: Solve for x
   x = 2,033,980,793.23/51,359.04
6. Step 6: Final answer
   x = 39,603.17