Finding the Fourth Proportional to 81,900.68, 113,013.78 and 46,103

Step by Step Solution

1. Step 1: Write the proportion equation
   81,900.68 : 113,013.78 = 46,103 : x
2. Step 2: Convert to fraction form
   81,900.68/113,013.78 = 46,103/x
3. Step 3: Cross multiply
   81,900.68x = 113,013.78 × 46,103
4. Step 4: Simplify right side
   81,900.68x = 5,210,274,299.34
5. Step 5: Solve for x
   x = 5,210,274,299.34/81,900.68
6. Step 6: Final answer
   x = 63,616.98