Finding the Fourth Proportional to 191,066.04, 286,676.82 and 85,934.52

Step by Step Solution

1. Step 1: Write the proportion equation
   191,066.04 : 286,676.82 = 85,934.52 : x
2. Step 2: Convert to fraction form
   191,066.04/286,676.82 = 85,934.52/x
3. Step 3: Cross multiply
   191,066.04x = 286,676.82 × 85,934.52
4. Step 4: Simplify right side
   191,066.04x = 24,635,434,921.83
5. Step 5: Solve for x
   x = 24,635,434,921.83/191,066.04
6. Step 6: Final answer
   x = 128,936.75