Finding the Fourth Proportional to 61.02, 91.98 and 59.76

Step by Step Solution

1. Step 1: Write the proportion equation
   61.02 : 91.98 = 59.76 : x
2. Step 2: Convert to fraction form
   61.02/91.98 = 59.76/x
3. Step 3: Cross multiply
   61.02x = 91.98 × 59.76
4. Step 4: Simplify right side
   61.02x = 5,496.72
5. Step 5: Solve for x
   x = 5,496.72/61.02
6. Step 6: Final answer
   x = 90.08