Finding the Fourth Proportional to 164,250, 226,665 and 88,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,250 : 226,665 = 88,798.50 : x
2. Step 2: Convert to fraction form
   164,250/226,665 = 88,798.50/x
3. Step 3: Cross multiply
   164,250x = 226,665 × 88,798.50
4. Step 4: Simplify right side
   164,250x = 20,127,512,002.50
5. Step 5: Solve for x
   x = 20,127,512,002.50/164,250
6. Step 6: Final answer
   x = 122,541.93