Finding the Fourth Proportional to 45,969.83, 68,953.37 and 12,691.92

Step by Step Solution

1. Step 1: Write the proportion equation
   45,969.83 : 68,953.37 = 12,691.92 : x
2. Step 2: Convert to fraction form
   45,969.83/68,953.37 = 12,691.92/x
3. Step 3: Cross multiply
   45,969.83x = 68,953.37 × 12,691.92
4. Step 4: Simplify right side
   45,969.83x = 875,150,592.31
5. Step 5: Solve for x
   x = 875,150,592.31/45,969.83
6. Step 6: Final answer
   x = 19,037.50