Finding the Fourth Proportional to 127,111.60, 190,886.10 and 82,934.20

Step by Step Solution

1. Step 1: Write the proportion equation
   127,111.60 : 190,886.10 = 82,934.20 : x
2. Step 2: Convert to fraction form
   127,111.60/190,886.10 = 82,934.20/x
3. Step 3: Cross multiply
   127,111.60x = 190,886.10 × 82,934.20
4. Step 4: Simplify right side
   127,111.60x = 15,830,985,994.62
5. Step 5: Solve for x
   x = 15,830,985,994.62/127,111.60
6. Step 6: Final answer
   x = 124,543.99