Finding the Fourth Proportional to 14,156.37, 19,536.09 and 7,782.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,156.37 : 19,536.09 = 7,782.89 : x
2. Step 2: Convert to fraction form
   14,156.37/19,536.09 = 7,782.89/x
3. Step 3: Cross multiply
   14,156.37x = 19,536.09 × 7,782.89
4. Step 4: Simplify right side
   14,156.37x = 152,047,112.63
5. Step 5: Solve for x
   x = 152,047,112.63/14,156.37
6. Step 6: Final answer
   x = 10,740.54