Finding the Fourth Proportional to 127,379.94, 191,054.79 and 43,139.94

Step by Step Solution

1. Step 1: Write the proportion equation
   127,379.94 : 191,054.79 = 43,139.94 : x
2. Step 2: Convert to fraction form
   127,379.94/191,054.79 = 43,139.94/x
3. Step 3: Cross multiply
   127,379.94x = 191,054.79 × 43,139.94
4. Step 4: Simplify right side
   127,379.94x = 8,242,092,177.31
5. Step 5: Solve for x
   x = 8,242,092,177.31/127,379.94
6. Step 6: Final answer
   x = 64,704.79