Finding the Fourth Proportional to 97,766.72, 134,918.16 and 53,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,766.72 : 134,918.16 = 53,054.72 : x
2. Step 2: Convert to fraction form
   97,766.72/134,918.16 = 53,054.72/x
3. Step 3: Cross multiply
   97,766.72x = 134,918.16 × 53,054.72
4. Step 4: Simplify right side
   97,766.72x = 7,158,045,201.72
5. Step 5: Solve for x
   x = 7,158,045,201.72/97,766.72
6. Step 6: Final answer
   x = 73,215.56