Finding the Fourth Proportional to 30,696.16, 42,384.54 and 23,970.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,696.16 : 42,384.54 = 23,970.12 : x
2. Step 2: Convert to fraction form
   30,696.16/42,384.54 = 23,970.12/x
3. Step 3: Cross multiply
   30,696.16x = 42,384.54 × 23,970.12
4. Step 4: Simplify right side
   30,696.16x = 1,015,962,509.94
5. Step 5: Solve for x
   x = 1,015,962,509.94/30,696.16
6. Step 6: Final answer
   x = 33,097.38