Finding the Fourth Proportional to 139,546,833.42, 209,326,021.56 and 41,178,540.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,546,833.42 : 209,326,021.56 = 41,178,540.96 : x
2. Step 2: Convert to fraction form
   139,546,833.42/209,326,021.56 = 41,178,540.96/x
3. Step 3: Cross multiply
   139,546,833.42x = 209,326,021.56 × 41,178,540.96
4. Step 4: Simplify right side
   139,546,833.42x = 8,619,740,152,802,303
5. Step 5: Solve for x
   x = 8,619,740,152,802,303/139,546,833.42
6. Step 6: Final answer
   x = 61,769,514.52