Finding the Fourth Proportional to 53,613.72, 73,988.78 and 32,388.89

Step by Step Solution

1. Step 1: Write the proportion equation
   53,613.72 : 73,988.78 = 32,388.89 : x
2. Step 2: Convert to fraction form
   53,613.72/73,988.78 = 32,388.89/x
3. Step 3: Cross multiply
   53,613.72x = 73,988.78 × 32,388.89
4. Step 4: Simplify right side
   53,613.72x = 2,396,413,924.77
5. Step 5: Solve for x
   x = 2,396,413,924.77/53,613.72
6. Step 6: Final answer
   x = 44,697.77