Finding the Fourth Proportional to 434,517,113.34, 599,644,980.72 and 236,290,201.38

Step by Step Solution

1. Step 1: Write the proportion equation
   434,517,113.34 : 599,644,980.72 = 236,290,201.38 : x
2. Step 2: Convert to fraction form
   434,517,113.34/599,644,980.72 = 236,290,201.38/x
3. Step 3: Cross multiply
   434,517,113.34x = 599,644,980.72 × 236,290,201.38
4. Step 4: Simplify right side
   434,517,113.34x = 141,690,233,250,835,024
5. Step 5: Solve for x
   x = 141,690,233,250,835,024/434,517,113.34
6. Step 6: Final answer
   x = 326,086,657.81