Finding the Fourth Proportional to 103,700.51, 155,601.58 and 37,145.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,700.51 : 155,601.58 = 37,145.78 : x
2. Step 2: Convert to fraction form
   103,700.51/155,601.58 = 37,145.78/x
3. Step 3: Cross multiply
   103,700.51x = 155,601.58 × 37,145.78
4. Step 4: Simplify right side
   103,700.51x = 5,779,941,187.46
5. Step 5: Solve for x
   x = 5,779,941,187.46/103,700.51
6. Step 6: Final answer
   x = 55,736.87