Finding the Fourth Proportional to 76,856, 106,061.28 and 41,528

Step by Step Solution

1. Step 1: Write the proportion equation
   76,856 : 106,061.28 = 41,528 : x
2. Step 2: Convert to fraction form
   76,856/106,061.28 = 41,528/x
3. Step 3: Cross multiply
   76,856x = 106,061.28 × 41,528
4. Step 4: Simplify right side
   76,856x = 4,404,512,835.84
5. Step 5: Solve for x
   x = 4,404,512,835.84/76,856
6. Step 6: Final answer
   x = 57,308.64