Finding the Fourth Proportional to 81,006.02, 111,788.36 and 45,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   81,006.02 : 111,788.36 = 45,196.05 : x
2. Step 2: Convert to fraction form
   81,006.02/111,788.36 = 45,196.05/x
3. Step 3: Cross multiply
   81,006.02x = 111,788.36 × 45,196.05
4. Step 4: Simplify right side
   81,006.02x = 5,052,392,307.98
5. Step 5: Solve for x
   x = 5,052,392,307.98/81,006.02
6. Step 6: Final answer
   x = 62,370.58