Finding the Fourth Proportional to 172,530.63, 238,086.43 and 97,064.55

Step by Step Solution

1. Step 1: Write the proportion equation
   172,530.63 : 238,086.43 = 97,064.55 : x
2. Step 2: Convert to fraction form
   172,530.63/238,086.43 = 97,064.55/x
3. Step 3: Cross multiply
   172,530.63x = 238,086.43 × 97,064.55
4. Step 4: Simplify right side
   172,530.63x = 23,109,751,946.40
5. Step 5: Solve for x
   x = 23,109,751,946.40/172,530.63
6. Step 6: Final answer
   x = 133,945.79