Finding the Fourth Proportional to 161,196.76, 222,434.56 and 93,203.20

Step by Step Solution

1. Step 1: Write the proportion equation
   161,196.76 : 222,434.56 = 93,203.20 : x
2. Step 2: Convert to fraction form
   161,196.76/222,434.56 = 93,203.20/x
3. Step 3: Cross multiply
   161,196.76x = 222,434.56 × 93,203.20
4. Step 4: Simplify right side
   161,196.76x = 20,731,612,782.59
5. Step 5: Solve for x
   x = 20,731,612,782.59/161,196.76
6. Step 6: Final answer
   x = 128,610.60