Finding the Fourth Proportional to 60,141.39, 90,152.55 and 28,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,141.39 : 90,152.55 = 28,495.50 : x
2. Step 2: Convert to fraction form
   60,141.39/90,152.55 = 28,495.50/x
3. Step 3: Cross multiply
   60,141.39x = 90,152.55 × 28,495.50
4. Step 4: Simplify right side
   60,141.39x = 2,568,941,988.53
5. Step 5: Solve for x
   x = 2,568,941,988.53/60,141.39
6. Step 6: Final answer
   x = 42,715.04