Finding the Fourth Proportional to 54,243.48, 74,803.32 and 42,302.46

Step by Step Solution

1. Step 1: Write the proportion equation
   54,243.48 : 74,803.32 = 42,302.46 : x
2. Step 2: Convert to fraction form
   54,243.48/74,803.32 = 42,302.46/x
3. Step 3: Cross multiply
   54,243.48x = 74,803.32 × 42,302.46
4. Step 4: Simplify right side
   54,243.48x = 3,164,364,452.17
5. Step 5: Solve for x
   x = 3,164,364,452.17/54,243.48
6. Step 6: Final answer
   x = 58,336.31