Finding the Fourth Proportional to 72,521.42, 108,777.27 and 19,926.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,521.42 : 108,777.27 = 19,926.50 : x
2. Step 2: Convert to fraction form
   72,521.42/108,777.27 = 19,926.50/x
3. Step 3: Cross multiply
   72,521.42x = 108,777.27 × 19,926.50
4. Step 4: Simplify right side
   72,521.42x = 2,167,550,270.66
5. Step 5: Solve for x
   x = 2,167,550,270.66/72,521.42
6. Step 6: Final answer
   x = 29,888.41