Finding the Fourth Proportional to 205,435.31, 283,499.88 and 113,552.03

Step by Step Solution

1. Step 1: Write the proportion equation
   205,435.31 : 283,499.88 = 113,552.03 : x
2. Step 2: Convert to fraction form
   205,435.31/283,499.88 = 113,552.03/x
3. Step 3: Cross multiply
   205,435.31x = 283,499.88 × 113,552.03
4. Step 4: Simplify right side
   205,435.31x = 32,191,986,878.76
5. Step 5: Solve for x
   x = 32,191,986,878.76/205,435.31
6. Step 6: Final answer
   x = 156,701.33