Finding the Fourth Proportional to 172,593,131.64, 238,178,512.56 and 93,208,185.48

Step by Step Solution

1. Step 1: Write the proportion equation
   172,593,131.64 : 238,178,512.56 = 93,208,185.48 : x
2. Step 2: Convert to fraction form
   172,593,131.64/238,178,512.56 = 93,208,185.48/x
3. Step 3: Cross multiply
   172,593,131.64x = 238,178,512.56 × 93,208,185.48
4. Step 4: Simplify right side
   172,593,131.64x = 22,200,186,976,042,992
5. Step 5: Solve for x
   x = 22,200,186,976,042,992/172,593,131.64
6. Step 6: Final answer
   x = 128,627,291.05