Finding the Fourth Proportional to 81,536.02, 112,415.55 and 52,804.91

Step by Step Solution

1. Step 1: Write the proportion equation
   81,536.02 : 112,415.55 = 52,804.91 : x
2. Step 2: Convert to fraction form
   81,536.02/112,415.55 = 52,804.91/x
3. Step 3: Cross multiply
   81,536.02x = 112,415.55 × 52,804.91
4. Step 4: Simplify right side
   81,536.02x = 5,936,093,083.37
5. Step 5: Solve for x
   x = 5,936,093,083.37/81,536.02
6. Step 6: Final answer
   x = 72,803.32