Finding the Fourth Proportional to 78.59, 117.83 and 37.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78.59 : 117.83 = 37.98 : x
2. Step 2: Convert to fraction form
   78.59/117.83 = 37.98/x
3. Step 3: Cross multiply
   78.59x = 117.83 × 37.98
4. Step 4: Simplify right side
   78.59x = 4,474.99
5. Step 5: Solve for x
   x = 4,474.99/78.59
6. Step 6: Final answer
   x = 56.94