Finding the Fourth Proportional to 85,196.18, 117,590.78 and 52,955.17

Step by Step Solution

1. Step 1: Write the proportion equation
   85,196.18 : 117,590.78 = 52,955.17 : x
2. Step 2: Convert to fraction form
   85,196.18/117,590.78 = 52,955.17/x
3. Step 3: Cross multiply
   85,196.18x = 117,590.78 × 52,955.17
4. Step 4: Simplify right side
   85,196.18x = 6,227,039,583.74
5. Step 5: Solve for x
   x = 6,227,039,583.74/85,196.18
6. Step 6: Final answer
   x = 73,090.59