Finding the Fourth Proportional to 52,488.74, 72,433.56 and 28,613.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488.74 : 72,433.56 = 28,613.96 : x
2. Step 2: Convert to fraction form
   52,488.74/72,433.56 = 28,613.96/x
3. Step 3: Cross multiply
   52,488.74x = 72,433.56 × 28,613.96
4. Step 4: Simplify right side
   52,488.74x = 2,072,610,988.50
5. Step 5: Solve for x
   x = 2,072,610,988.50/52,488.74
6. Step 6: Final answer
   x = 39,486.77