Finding the Fourth Proportional to 58,446.77, 87,651.50 and 18,994.37

Step by Step Solution

1. Step 1: Write the proportion equation
   58,446.77 : 87,651.50 = 18,994.37 : x
2. Step 2: Convert to fraction form
   58,446.77/87,651.50 = 18,994.37/x
3. Step 3: Cross multiply
   58,446.77x = 87,651.50 × 18,994.37
4. Step 4: Simplify right side
   58,446.77x = 1,664,884,488.83
5. Step 5: Solve for x
   x = 1,664,884,488.83/58,446.77
6. Step 6: Final answer
   x = 28,485.49