Finding the Fourth Proportional to 31,345, 43,258.02 and 17,200.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,345 : 43,258.02 = 17,200.04 : x
2. Step 2: Convert to fraction form
   31,345/43,258.02 = 17,200.04/x
3. Step 3: Cross multiply
   31,345x = 43,258.02 × 17,200.04
4. Step 4: Simplify right side
   31,345x = 744,039,674.32
5. Step 5: Solve for x
   x = 744,039,674.32/31,345
6. Step 6: Final answer
   x = 23,737.11