Finding the Fourth Proportional to 34,636.42, 51,991.36 and 28,141.02

Step by Step Solution

1. Step 1: Write the proportion equation
   34,636.42 : 51,991.36 = 28,141.02 : x
2. Step 2: Convert to fraction form
   34,636.42/51,991.36 = 28,141.02/x
3. Step 3: Cross multiply
   34,636.42x = 51,991.36 × 28,141.02
4. Step 4: Simplify right side
   34,636.42x = 1,463,089,901.59
5. Step 5: Solve for x
   x = 1,463,089,901.59/34,636.42
6. Step 6: Final answer
   x = 42,241.37