Finding the Fourth Proportional to 100,931.51, 151,401.45 and 37,745.30

Step by Step Solution

1. Step 1: Write the proportion equation
   100,931.51 : 151,401.45 = 37,745.30 : x
2. Step 2: Convert to fraction form
   100,931.51/151,401.45 = 37,745.30/x
3. Step 3: Cross multiply
   100,931.51x = 151,401.45 × 37,745.30
4. Step 4: Simplify right side
   100,931.51x = 5,714,693,150.69
5. Step 5: Solve for x
   x = 5,714,693,150.69/100,931.51
6. Step 6: Final answer
   x = 56,619.52