Finding the Fourth Proportional to 52,144.32, 71,954.52 and 30,920.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,144.32 : 71,954.52 = 30,920.16 : x
2. Step 2: Convert to fraction form
   52,144.32/71,954.52 = 30,920.16/x
3. Step 3: Cross multiply
   52,144.32x = 71,954.52 × 30,920.16
4. Step 4: Simplify right side
   52,144.32x = 2,224,845,271.12
5. Step 5: Solve for x
   x = 2,224,845,271.12/52,144.32
6. Step 6: Final answer
   x = 42,667.07