Finding the Fourth Proportional to 52,428.55, 72,358.54 and 30,924.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,428.55 : 72,358.54 = 30,924.37 : x
2. Step 2: Convert to fraction form
   52,428.55/72,358.54 = 30,924.37/x
3. Step 3: Cross multiply
   52,428.55x = 72,358.54 × 30,924.37
4. Step 4: Simplify right side
   52,428.55x = 2,237,642,005.41
5. Step 5: Solve for x
   x = 2,237,642,005.41/52,428.55
6. Step 6: Final answer
   x = 42,679.84