Finding the Fourth Proportional to 147,585, 203,667.30 and 87,969

Step by Step Solution

1. Step 1: Write the proportion equation
   147,585 : 203,667.30 = 87,969 : x
2. Step 2: Convert to fraction form
   147,585/203,667.30 = 87,969/x
3. Step 3: Cross multiply
   147,585x = 203,667.30 × 87,969
4. Step 4: Simplify right side
   147,585x = 17,916,408,713.70
5. Step 5: Solve for x
   x = 17,916,408,713.70/147,585
6. Step 6: Final answer
   x = 121,397.22