Finding the Fourth Proportional to 82,378.10, 113,688.83 and 46,574.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,378.10 : 113,688.83 = 46,574.48 : x
2. Step 2: Convert to fraction form
   82,378.10/113,688.83 = 46,574.48/x
3. Step 3: Cross multiply
   82,378.10x = 113,688.83 × 46,574.48
4. Step 4: Simplify right side
   82,378.10x = 5,294,998,139.06
5. Step 5: Solve for x
   x = 5,294,998,139.06/82,378.10
6. Step 6: Final answer
   x = 64,276.77