Finding the Fourth Proportional to 59,837.50, 89,774.47 and 28,271.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,837.50 : 89,774.47 = 28,271.80 : x
2. Step 2: Convert to fraction form
   59,837.50/89,774.47 = 28,271.80/x
3. Step 3: Cross multiply
   59,837.50x = 89,774.47 × 28,271.80
4. Step 4: Simplify right side
   59,837.50x = 2,538,085,412.07
5. Step 5: Solve for x
   x = 2,538,085,412.07/59,837.50
6. Step 6: Final answer
   x = 42,416.30