Finding the Fourth Proportional to 81,938.82, 113,075.27 and 46,128.92

Step by Step Solution

1. Step 1: Write the proportion equation
   81,938.82 : 113,075.27 = 46,128.92 : x
2. Step 2: Convert to fraction form
   81,938.82/113,075.27 = 46,128.92/x
3. Step 3: Cross multiply
   81,938.82x = 113,075.27 × 46,128.92
4. Step 4: Simplify right side
   81,938.82x = 5,216,040,083.81
5. Step 5: Solve for x
   x = 5,216,040,083.81/81,938.82
6. Step 6: Final answer
   x = 63,657.74