Finding the Fourth Proportional to 52,271.83, 72,134.73 and 28,398.70

Step by Step Solution

1. Step 1: Write the proportion equation
   52,271.83 : 72,134.73 = 28,398.70 : x
2. Step 2: Convert to fraction form
   52,271.83/72,134.73 = 28,398.70/x
3. Step 3: Cross multiply
   52,271.83x = 72,134.73 × 28,398.70
4. Step 4: Simplify right side
   52,271.83x = 2,048,532,267.17
5. Step 5: Solve for x
   x = 2,048,532,267.17/52,271.83
6. Step 6: Final answer
   x = 39,189.99