Finding the Fourth Proportional to 127,208.69, 190,835.03 and 42,969.47

Step by Step Solution

1. Step 1: Write the proportion equation
   127,208.69 : 190,835.03 = 42,969.47 : x
2. Step 2: Convert to fraction form
   127,208.69/190,835.03 = 42,969.47/x
3. Step 3: Cross multiply
   127,208.69x = 190,835.03 × 42,969.47
4. Step 4: Simplify right side
   127,208.69x = 8,200,079,619.45
5. Step 5: Solve for x
   x = 8,200,079,619.45/127,208.69
6. Step 6: Final answer
   x = 64,461.63