Finding the Fourth Proportional to 14,150.72, 19,528.37 and 7,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,150.72 : 19,528.37 = 7,777.50 : x
2. Step 2: Convert to fraction form
   14,150.72/19,528.37 = 7,777.50/x
3. Step 3: Cross multiply
   14,150.72x = 19,528.37 × 7,777.50
4. Step 4: Simplify right side
   14,150.72x = 151,881,897.68
5. Step 5: Solve for x
   x = 151,881,897.68/14,150.72
6. Step 6: Final answer
   x = 10,733.16