Finding the Fourth Proportional to 103,979, 156,037.62 and 38,315

Step by Step Solution

1. Step 1: Write the proportion equation
   103,979 : 156,037.62 = 38,315 : x
2. Step 2: Convert to fraction form
   103,979/156,037.62 = 38,315/x
3. Step 3: Cross multiply
   103,979x = 156,037.62 × 38,315
4. Step 4: Simplify right side
   103,979x = 5,978,581,410.30
5. Step 5: Solve for x
   x = 5,978,581,410.30/103,979
6. Step 6: Final answer
   x = 57,497.97