Finding the Fourth Proportional to 97,568.72, 134,127.94 and 83,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,568.72 : 134,127.94 = 83,906.72 : x
2. Step 2: Convert to fraction form
   97,568.72/134,127.94 = 83,906.72/x
3. Step 3: Cross multiply
   97,568.72x = 134,127.94 × 83,906.72
4. Step 4: Simplify right side
   97,568.72x = 11,254,235,505.76
5. Step 5: Solve for x
   x = 11,254,235,505.76/97,568.72
6. Step 6: Final answer
   x = 115,346.76