Finding the Fourth Proportional to 164,089, 226,442.94 and 88,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,089 : 226,442.94 = 88,637.50 : x
2. Step 2: Convert to fraction form
   164,089/226,442.94 = 88,637.50/x
3. Step 3: Cross multiply
   164,089x = 226,442.94 × 88,637.50
4. Step 4: Simplify right side
   164,089x = 20,071,336,094.25
5. Step 5: Solve for x
   x = 20,071,336,094.25/164,089
6. Step 6: Final answer
   x = 122,319.81