Finding the Fourth Proportional to 80,373.24, 120,522.60 and 42,923.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,373.24 : 120,522.60 = 42,923.16 : x
2. Step 2: Convert to fraction form
   80,373.24/120,522.60 = 42,923.16/x
3. Step 3: Cross multiply
   80,373.24x = 120,522.60 × 42,923.16
4. Step 4: Simplify right side
   80,373.24x = 5,173,210,843.42
5. Step 5: Solve for x
   x = 5,173,210,843.42/80,373.24
6. Step 6: Final answer
   x = 64,364.84