Finding the Fourth Proportional to 158,910.89, 238,241.72 and 74,627.68

Step by Step Solution

1. Step 1: Write the proportion equation
   158,910.89 : 238,241.72 = 74,627.68 : x
2. Step 2: Convert to fraction form
   158,910.89/238,241.72 = 74,627.68/x
3. Step 3: Cross multiply
   158,910.89x = 238,241.72 × 74,627.68
4. Step 4: Simplify right side
   158,910.89x = 17,779,426,842.81
5. Step 5: Solve for x
   x = 17,779,426,842.81/158,910.89
6. Step 6: Final answer
   x = 111,883.00