Finding the Fourth Proportional to 123,584.42, 185,432.01 and 56,988.85

Step by Step Solution

1. Step 1: Write the proportion equation
   123,584.42 : 185,432.01 = 56,988.85 : x
2. Step 2: Convert to fraction form
   123,584.42/185,432.01 = 56,988.85/x
3. Step 3: Cross multiply
   123,584.42x = 185,432.01 × 56,988.85
4. Step 4: Simplify right side
   123,584.42x = 10,567,556,833.77
5. Step 5: Solve for x
   x = 10,567,556,833.77/123,584.42
6. Step 6: Final answer
   x = 85,508.81