Finding the Fourth Proportional to 58,081.69, 87,133.88 and 18,635.77

Step by Step Solution

1. Step 1: Write the proportion equation
   58,081.69 : 87,133.88 = 18,635.77 : x
2. Step 2: Convert to fraction form
   58,081.69/87,133.88 = 18,635.77/x
3. Step 3: Cross multiply
   58,081.69x = 87,133.88 × 18,635.77
4. Step 4: Simplify right side
   58,081.69x = 1,623,806,946.89
5. Step 5: Solve for x
   x = 1,623,806,946.89/58,081.69
6. Step 6: Final answer
   x = 27,957.30