Finding the Fourth Proportional to 52,328.90, 72,211.69 and 29,669.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,328.90 : 72,211.69 = 29,669.42 : x
2. Step 2: Convert to fraction form
   52,328.90/72,211.69 = 29,669.42/x
3. Step 3: Cross multiply
   52,328.90x = 72,211.69 × 29,669.42
4. Step 4: Simplify right side
   52,328.90x = 2,142,478,959.52
5. Step 5: Solve for x
   x = 2,142,478,959.52/52,328.90
6. Step 6: Final answer
   x = 40,942.56