Finding the Fourth Proportional to 103,644.63, 155,450.33 and 37,072.35

Step by Step Solution

1. Step 1: Write the proportion equation
   103,644.63 : 155,450.33 = 37,072.35 : x
2. Step 2: Convert to fraction form
   103,644.63/155,450.33 = 37,072.35/x
3. Step 3: Cross multiply
   103,644.63x = 155,450.33 × 37,072.35
4. Step 4: Simplify right side
   103,644.63x = 5,762,908,856.01
5. Step 5: Solve for x
   x = 5,762,908,856.01/103,644.63
6. Step 6: Final answer
   x = 55,602.58