Finding the Fourth Proportional to 58,675.98, 87,978.81 and 18,677.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,675.98 : 87,978.81 = 18,677.69 : x
2. Step 2: Convert to fraction form
   58,675.98/87,978.81 = 18,677.69/x
3. Step 3: Cross multiply
   58,675.98x = 87,978.81 × 18,677.69
4. Step 4: Simplify right side
   58,675.98x = 1,643,240,499.85
5. Step 5: Solve for x
   x = 1,643,240,499.85/58,675.98
6. Step 6: Final answer
   x = 28,005.34