Finding the Fourth Proportional to 200,887, 301,348.18 and 74,528.62

Step by Step Solution

1. Step 1: Write the proportion equation
   200,887 : 301,348.18 = 74,528.62 : x
2. Step 2: Convert to fraction form
   200,887/301,348.18 = 74,528.62/x
3. Step 3: Cross multiply
   200,887x = 301,348.18 × 74,528.62
4. Step 4: Simplify right side
   200,887x = 22,459,063,994.91
5. Step 5: Solve for x
   x = 22,459,063,994.91/200,887
6. Step 6: Final answer
   x = 111,799.49