Finding the Fourth Proportional to 52,828.47, 72,899.58 and 30,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,828.47 : 72,899.58 = 30,168.72 : x
2. Step 2: Convert to fraction form
   52,828.47/72,899.58 = 30,168.72/x
3. Step 3: Cross multiply
   52,828.47x = 72,899.58 × 30,168.72
4. Step 4: Simplify right side
   52,828.47x = 2,199,287,017.14
5. Step 5: Solve for x
   x = 2,199,287,017.14/52,828.47
6. Step 6: Final answer
   x = 41,630.72