Finding the Fourth Proportional to 127,664.35, 191,479.28 and 52,774.10

Step by Step Solution

1. Step 1: Write the proportion equation
   127,664.35 : 191,479.28 = 52,774.10 : x
2. Step 2: Convert to fraction form
   127,664.35/191,479.28 = 52,774.10/x
3. Step 3: Cross multiply
   127,664.35x = 191,479.28 × 52,774.10
4. Step 4: Simplify right side
   127,664.35x = 10,105,145,449.38
5. Step 5: Solve for x
   x = 10,105,145,449.38/127,664.35
6. Step 6: Final answer
   x = 79,154.01