Finding the Fourth Proportional to 81,348.22, 112,259.69 and 45,538.53

Step by Step Solution

1. Step 1: Write the proportion equation
   81,348.22 : 112,259.69 = 45,538.53 : x
2. Step 2: Convert to fraction form
   81,348.22/112,259.69 = 45,538.53/x
3. Step 3: Cross multiply
   81,348.22x = 112,259.69 × 45,538.53
4. Step 4: Simplify right side
   81,348.22x = 5,112,140,782.96
5. Step 5: Solve for x
   x = 5,112,140,782.96/81,348.22
6. Step 6: Final answer
   x = 62,842.69