Finding the Fourth Proportional to 42,420.51, 58,488.89 and 36,667.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,420.51 : 58,488.89 = 36,667.59 : x
2. Step 2: Convert to fraction form
   42,420.51/58,488.89 = 36,667.59/x
3. Step 3: Cross multiply
   42,420.51x = 58,488.89 × 36,667.59
4. Step 4: Simplify right side
   42,420.51x = 2,144,646,235.40
5. Step 5: Solve for x
   x = 2,144,646,235.40/42,420.51
6. Step 6: Final answer
   x = 50,556.82