Finding the Fourth Proportional to 52,374.42, 72,270.84 and 30,862.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,374.42 : 72,270.84 = 30,862.78 : x
2. Step 2: Convert to fraction form
   52,374.42/72,270.84 = 30,862.78/x
3. Step 3: Cross multiply
   52,374.42x = 72,270.84 × 30,862.78
4. Step 4: Simplify right side
   52,374.42x = 2,230,479,035.34
5. Step 5: Solve for x
   x = 2,230,479,035.34/52,374.42
6. Step 6: Final answer
   x = 42,587.18