Finding the Fourth Proportional to 17,061.19, 25,615.32 and 11,783.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.19 : 25,615.32 = 11,783.80 : x
2. Step 2: Convert to fraction form
   17,061.19/25,615.32 = 11,783.80/x
3. Step 3: Cross multiply
   17,061.19x = 25,615.32 × 11,783.80
4. Step 4: Simplify right side
   17,061.19x = 301,845,807.82
5. Step 5: Solve for x
   x = 301,845,807.82/17,061.19
6. Step 6: Final answer
   x = 17,691.96