Finding the Fourth Proportional to 74,906.17, 103,194.61 and 52,203.89

Step by Step Solution

1. Step 1: Write the proportion equation
   74,906.17 : 103,194.61 = 52,203.89 : x
2. Step 2: Convert to fraction form
   74,906.17/103,194.61 = 52,203.89/x
3. Step 3: Cross multiply
   74,906.17x = 103,194.61 × 52,203.89
4. Step 4: Simplify right side
   74,906.17x = 5,387,160,196.51
5. Step 5: Solve for x
   x = 5,387,160,196.51/74,906.17
6. Step 6: Final answer
   x = 71,918.78