Finding the Fourth Proportional to 236,105,223.63, 325,825,643.40 and 131,690,025.12

Step by Step Solution

1. Step 1: Write the proportion equation
   236,105,223.63 : 325,825,643.40 = 131,690,025.12 : x
2. Step 2: Convert to fraction form
   236,105,223.63/325,825,643.40 = 131,690,025.12/x
3. Step 3: Cross multiply
   236,105,223.63x = 325,825,643.40 × 131,690,025.12
4. Step 4: Simplify right side
   236,105,223.63x = 42,907,987,164,086,160
5. Step 5: Solve for x
   x = 42,907,987,164,086,160/236,105,223.63
6. Step 6: Final answer
   x = 181,732,477.17