Finding the Fourth Proportional to 222,779.03, 333,684.50 and 137,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   222,779.03 : 333,684.50 = 137,128.82 : x
2. Step 2: Convert to fraction form
   222,779.03/333,684.50 = 137,128.82/x
3. Step 3: Cross multiply
   222,779.03x = 333,684.50 × 137,128.82
4. Step 4: Simplify right side
   222,779.03x = 45,757,761,885.86
5. Step 5: Solve for x
   x = 45,757,761,885.86/222,779.03
6. Step 6: Final answer
   x = 205,395.28