Finding the Fourth Proportional to 97,542.72, 134,609.60 and 52,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,542.72 : 134,609.60 = 52,830.72 : x
2. Step 2: Convert to fraction form
   97,542.72/134,609.60 = 52,830.72/x
3. Step 3: Cross multiply
   97,542.72x = 134,609.60 × 52,830.72
4. Step 4: Simplify right side
   97,542.72x = 7,111,522,086.91
5. Step 5: Solve for x
   x = 7,111,522,086.91/97,542.72
6. Step 6: Final answer
   x = 72,906.74