Finding the Fourth Proportional to 104,493.20, 156,671.64 and 37,920.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,493.20 : 156,671.64 = 37,920.72 : x
2. Step 2: Convert to fraction form
   104,493.20/156,671.64 = 37,920.72/x
3. Step 3: Cross multiply
   104,493.20x = 156,671.64 × 37,920.72
4. Step 4: Simplify right side
   104,493.20x = 5,941,101,392.38
5. Step 5: Solve for x
   x = 5,941,101,392.38/104,493.20
6. Step 6: Final answer
   x = 56,856.34