Finding the Fourth Proportional to 103,635.45, 155,455.01 and 37,123.31

Step by Step Solution

1. Step 1: Write the proportion equation
   103,635.45 : 155,455.01 = 37,123.31 : x
2. Step 2: Convert to fraction form
   103,635.45/155,455.01 = 37,123.31/x
3. Step 3: Cross multiply
   103,635.45x = 155,455.01 × 37,123.31
4. Step 4: Simplify right side
   103,635.45x = 5,771,004,527.28
5. Step 5: Solve for x
   x = 5,771,004,527.28/103,635.45
6. Step 6: Final answer
   x = 55,685.62