Finding the Fourth Proportional to 39,123.18, 58,695.71 and 12,846.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,123.18 : 58,695.71 = 12,846.38 : x
2. Step 2: Convert to fraction form
   39,123.18/58,695.71 = 12,846.38/x
3. Step 3: Cross multiply
   39,123.18x = 58,695.71 × 12,846.38
4. Step 4: Simplify right side
   39,123.18x = 754,027,037.32
5. Step 5: Solve for x
   x = 754,027,037.32/39,123.18
6. Step 6: Final answer
   x = 19,273.15