Finding the Fourth Proportional to 42,926.76, 64,412.01 and 19,550.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,926.76 : 64,412.01 = 19,550.16 : x
2. Step 2: Convert to fraction form
   42,926.76/64,412.01 = 19,550.16/x
3. Step 3: Cross multiply
   42,926.76x = 64,412.01 × 19,550.16
4. Step 4: Simplify right side
   42,926.76x = 1,259,265,101.42
5. Step 5: Solve for x
   x = 1,259,265,101.42/42,926.76
6. Step 6: Final answer
   x = 29,335.20