Finding the Fourth Proportional to 37,830.58, 52,162.86 and 31,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,830.58 : 52,162.86 = 31,003.12 : x
2. Step 2: Convert to fraction form
   37,830.58/52,162.86 = 31,003.12/x
3. Step 3: Cross multiply
   37,830.58x = 52,162.86 × 31,003.12
4. Step 4: Simplify right side
   37,830.58x = 1,617,211,408.12
5. Step 5: Solve for x
   x = 1,617,211,408.12/37,830.58
6. Step 6: Final answer
   x = 42,748.79