Finding the Fourth Proportional to 42,412.55, 58,554.77 and 26,518.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,412.55 : 58,554.77 = 26,518.59 : x
2. Step 2: Convert to fraction form
   42,412.55/58,554.77 = 26,518.59/x
3. Step 3: Cross multiply
   42,412.55x = 58,554.77 × 26,518.59
4. Step 4: Simplify right side
   42,412.55x = 1,552,789,805.58
5. Step 5: Solve for x
   x = 1,552,789,805.58/42,412.55
6. Step 6: Final answer
   x = 36,611.57