Finding the Fourth Proportional to 30,522.51, 42,119.19 and 17,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,522.51 : 42,119.19 = 17,091.50 : x
2. Step 2: Convert to fraction form
   30,522.51/42,119.19 = 17,091.50/x
3. Step 3: Cross multiply
   30,522.51x = 42,119.19 × 17,091.50
4. Step 4: Simplify right side
   30,522.51x = 719,879,925.29
5. Step 5: Solve for x
   x = 719,879,925.29/30,522.51
6. Step 6: Final answer
   x = 23,585.21