Finding the Fourth Proportional to 42,890.89, 59,206.79 and 27,796.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,890.89 : 59,206.79 = 27,796.51 : x
2. Step 2: Convert to fraction form
   42,890.89/59,206.79 = 27,796.51/x
3. Step 3: Cross multiply
   42,890.89x = 59,206.79 × 27,796.51
4. Step 4: Simplify right side
   42,890.89x = 1,645,742,130.30
5. Step 5: Solve for x
   x = 1,645,742,130.30/42,890.89
6. Step 6: Final answer
   x = 38,370.44