Finding the Fourth Proportional to 58,923.78, 88,499.06 and 50,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,923.78 : 88,499.06 = 50,509.50 : x
2. Step 2: Convert to fraction form
   58,923.78/88,499.06 = 50,509.50/x
3. Step 3: Cross multiply
   58,923.78x = 88,499.06 × 50,509.50
4. Step 4: Simplify right side
   58,923.78x = 4,470,043,271.07
5. Step 5: Solve for x
   x = 4,470,043,271.07/58,923.78
6. Step 6: Final answer
   x = 75,861.45