Finding the Fourth Proportional to 55,375, 83,061.72 and 25,776.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,375 : 83,061.72 = 25,776.28 : x
2. Step 2: Convert to fraction form
   55,375/83,061.72 = 25,776.28/x
3. Step 3: Cross multiply
   55,375x = 83,061.72 × 25,776.28
4. Step 4: Simplify right side
   55,375x = 2,141,022,152.00
5. Step 5: Solve for x
   x = 2,141,022,152.00/55,375
6. Step 6: Final answer
   x = 38,664.06