Finding the Fourth Proportional to 60,185.94, 90,230.72 and 28,580.01

Step by Step Solution

1. Step 1: Write the proportion equation
   60,185.94 : 90,230.72 = 28,580.01 : x
2. Step 2: Convert to fraction form
   60,185.94/90,230.72 = 28,580.01/x
3. Step 3: Cross multiply
   60,185.94x = 90,230.72 × 28,580.01
4. Step 4: Simplify right side
   60,185.94x = 2,578,794,737.01
5. Step 5: Solve for x
   x = 2,578,794,737.01/60,185.94
6. Step 6: Final answer
   x = 42,847.13