Finding the Fourth Proportional to 81,288.50, 112,182.50 and 45,476.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,288.50 : 112,182.50 = 45,476.38 : x
2. Step 2: Convert to fraction form
   81,288.50/112,182.50 = 45,476.38/x
3. Step 3: Cross multiply
   81,288.50x = 112,182.50 × 45,476.38
4. Step 4: Simplify right side
   81,288.50x = 5,101,653,491.51
5. Step 5: Solve for x
   x = 5,101,653,491.51/81,288.50
6. Step 6: Final answer
   x = 62,759.84