Finding the Fourth Proportional to 30,913.19, 42,656.33 and 17,300.87

Step by Step Solution

1. Step 1: Write the proportion equation
   30,913.19 : 42,656.33 = 17,300.87 : x
2. Step 2: Convert to fraction form
   30,913.19/42,656.33 = 17,300.87/x
3. Step 3: Cross multiply
   30,913.19x = 42,656.33 × 17,300.87
4. Step 4: Simplify right side
   30,913.19x = 737,991,533.50
5. Step 5: Solve for x
   x = 737,991,533.50/30,913.19
6. Step 6: Final answer
   x = 23,873.03