Finding the Fourth Proportional to 162,298.69, 223,980.72 and 97,788.19

Step by Step Solution

1. Step 1: Write the proportion equation
   162,298.69 : 223,980.72 = 97,788.19 : x
2. Step 2: Convert to fraction form
   162,298.69/223,980.72 = 97,788.19/x
3. Step 3: Cross multiply
   162,298.69x = 223,980.72 × 97,788.19
4. Step 4: Simplify right side
   162,298.69x = 21,902,669,203.70
5. Step 5: Solve for x
   x = 21,902,669,203.70/162,298.69
6. Step 6: Final answer
   x = 134,952.84