Finding the Fourth Proportional to 85,288.82, 117,554.02 and 59,802.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,288.82 : 117,554.02 = 59,802.98 : x
2. Step 2: Convert to fraction form
   85,288.82/117,554.02 = 59,802.98/x
3. Step 3: Cross multiply
   85,288.82x = 117,554.02 × 59,802.98
4. Step 4: Simplify right side
   85,288.82x = 7,030,079,969.70
5. Step 5: Solve for x
   x = 7,030,079,969.70/85,288.82
6. Step 6: Final answer
   x = 82,426.75