Finding the Fourth Proportional to 147,028.64, 202,899.30 and 89,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   147,028.64 : 202,899.30 = 89,667.86 : x
2. Step 2: Convert to fraction form
   147,028.64/202,899.30 = 89,667.86/x
3. Step 3: Cross multiply
   147,028.64x = 202,899.30 × 89,667.86
4. Step 4: Simplify right side
   147,028.64x = 18,193,546,026.50
5. Step 5: Solve for x
   x = 18,193,546,026.50/147,028.64
6. Step 6: Final answer
   x = 123,741.51