Finding the Fourth Proportional to 97,662.68, 134,773.76 and 55,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,662.68 : 134,773.76 = 55,222.72 : x
2. Step 2: Convert to fraction form
   97,662.68/134,773.76 = 55,222.72/x
3. Step 3: Cross multiply
   97,662.68x = 134,773.76 × 55,222.72
4. Step 4: Simplify right side
   97,662.68x = 7,442,573,611.83
5. Step 5: Solve for x
   x = 7,442,573,611.83/97,662.68
6. Step 6: Final answer
   x = 76,206.94