Finding the Fourth Proportional to 73,500.16, 101,405.24 and 50,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,500.16 : 101,405.24 = 50,830.72 : x
2. Step 2: Convert to fraction form
   73,500.16/101,405.24 = 50,830.72/x
3. Step 3: Cross multiply
   73,500.16x = 101,405.24 × 50,830.72
4. Step 4: Simplify right side
   73,500.16x = 5,154,501,360.97
5. Step 5: Solve for x
   x = 5,154,501,360.97/73,500.16
6. Step 6: Final answer
   x = 70,129.12