Finding the Fourth Proportional to 81,410.37, 112,345.65 and 45,600.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,410.37 : 112,345.65 = 45,600.72 : x
2. Step 2: Convert to fraction form
   81,410.37/112,345.65 = 45,600.72/x
3. Step 3: Cross multiply
   81,410.37x = 112,345.65 × 45,600.72
4. Step 4: Simplify right side
   81,410.37x = 5,123,042,528.87
5. Step 5: Solve for x
   x = 5,123,042,528.87/81,410.37
6. Step 6: Final answer
   x = 62,928.62