Finding the Fourth Proportional to 97,799.72, 134,963.76 and 53,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,799.72 : 134,963.76 = 53,087.72 : x
2. Step 2: Convert to fraction form
   97,799.72/134,963.76 = 53,087.72/x
3. Step 3: Cross multiply
   97,799.72x = 134,963.76 × 53,087.72
4. Step 4: Simplify right side
   97,799.72x = 7,164,918,301.03
5. Step 5: Solve for x
   x = 7,164,918,301.03/97,799.72
6. Step 6: Final answer
   x = 73,261.13