Finding the Fourth Proportional to 103,621.01, 155,431.49 and 37,057.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,621.01 : 155,431.49 = 37,057.10 : x
2. Step 2: Convert to fraction form
   103,621.01/155,431.49 = 37,057.10/x
3. Step 3: Cross multiply
   103,621.01x = 155,431.49 × 37,057.10
4. Step 4: Simplify right side
   103,621.01x = 5,759,839,305.64
5. Step 5: Solve for x
   x = 5,759,839,305.64/103,621.01
6. Step 6: Final answer
   x = 55,585.63