Finding the Fourth Proportional to 52,429.17, 72,359.40 and 30,924.99

Step by Step Solution

1. Step 1: Write the proportion equation
   52,429.17 : 72,359.40 = 30,924.99 : x
2. Step 2: Convert to fraction form
   52,429.17/72,359.40 = 30,924.99/x
3. Step 3: Cross multiply
   52,429.17x = 72,359.40 × 30,924.99
4. Step 4: Simplify right side
   52,429.17x = 2,237,713,902.30
5. Step 5: Solve for x
   x = 2,237,713,902.30/52,429.17
6. Step 6: Final answer
   x = 42,680.70