Finding the Fourth Proportional to 42,900.81, 59,183.10 and 26,994.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,900.81 : 59,183.10 = 26,994.03 : x
2. Step 2: Convert to fraction form
   42,900.81/59,183.10 = 26,994.03/x
3. Step 3: Cross multiply
   42,900.81x = 59,183.10 × 26,994.03
4. Step 4: Simplify right side
   42,900.81x = 1,597,590,376.89
5. Step 5: Solve for x
   x = 1,597,590,376.89/42,900.81
6. Step 6: Final answer
   x = 37,239.17