Finding the Fourth Proportional to 81,513.37, 112,487.02 and 45,703.27

Step by Step Solution

1. Step 1: Write the proportion equation
   81,513.37 : 112,487.02 = 45,703.27 : x
2. Step 2: Convert to fraction form
   81,513.37/112,487.02 = 45,703.27/x
3. Step 3: Cross multiply
   81,513.37x = 112,487.02 × 45,703.27
4. Step 4: Simplify right side
   81,513.37x = 5,141,024,646.56
5. Step 5: Solve for x
   x = 5,141,024,646.56/81,513.37
6. Step 6: Final answer
   x = 63,069.71