Finding the Fourth Proportional to 81,113.59, 111,935.56 and 45,304.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,113.59 : 111,935.56 = 45,304.10 : x
2. Step 2: Convert to fraction form
   81,113.59/111,935.56 = 45,304.10/x
3. Step 3: Cross multiply
   81,113.59x = 111,935.56 × 45,304.10
4. Step 4: Simplify right side
   81,113.59x = 5,071,139,017.60
5. Step 5: Solve for x
   x = 5,071,139,017.60/81,113.59
6. Step 6: Final answer
   x = 62,518.99