Finding the Fourth Proportional to 97,687.25, 134,810.83 and 54,665.31

Step by Step Solution

1. Step 1: Write the proportion equation
   97,687.25 : 134,810.83 = 54,665.31 : x
2. Step 2: Convert to fraction form
   97,687.25/134,810.83 = 54,665.31/x
3. Step 3: Cross multiply
   97,687.25x = 134,810.83 × 54,665.31
4. Step 4: Simplify right side
   97,687.25x = 7,369,475,813.31
5. Step 5: Solve for x
   x = 7,369,475,813.31/97,687.25
6. Step 6: Final answer
   x = 75,439.48