Finding the Fourth Proportional to 185,587.45, 256,111.37 and 100,704.52

Step by Step Solution

1. Step 1: Write the proportion equation
   185,587.45 : 256,111.37 = 100,704.52 : x
2. Step 2: Convert to fraction form
   185,587.45/256,111.37 = 100,704.52/x
3. Step 3: Cross multiply
   185,587.45x = 256,111.37 × 100,704.52
4. Step 4: Simplify right side
   185,587.45x = 25,791,571,336.02
5. Step 5: Solve for x
   x = 25,791,571,336.02/185,587.45
6. Step 6: Final answer
   x = 138,972.60