Finding the Fourth Proportional to 52,430.32, 72,348.28 and 30,627.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,430.32 : 72,348.28 = 30,627.12 : x
2. Step 2: Convert to fraction form
   52,430.32/72,348.28 = 30,627.12/x
3. Step 3: Cross multiply
   52,430.32x = 72,348.28 × 30,627.12
4. Step 4: Simplify right side
   52,430.32x = 2,215,819,453.35
5. Step 5: Solve for x
   x = 2,215,819,453.35/52,430.32
6. Step 6: Final answer
   x = 42,262.18