Finding the Fourth Proportional to 127,846.15, 191,636.18 and 71,603.80

Step by Step Solution

1. Step 1: Write the proportion equation
   127,846.15 : 191,636.18 = 71,603.80 : x
2. Step 2: Convert to fraction form
   127,846.15/191,636.18 = 71,603.80/x
3. Step 3: Cross multiply
   127,846.15x = 191,636.18 × 71,603.80
4. Step 4: Simplify right side
   127,846.15x = 13,721,878,136.89
5. Step 5: Solve for x
   x = 13,721,878,136.89/127,846.15
6. Step 6: Final answer
   x = 107,331.18