Finding the Fourth Proportional to 100,536.57, 150,804.77 and 25,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   100,536.57 : 150,804.77 = 25,656.72 : x
2. Step 2: Convert to fraction form
   100,536.57/150,804.77 = 25,656.72/x
3. Step 3: Cross multiply
   100,536.57x = 150,804.77 × 25,656.72
4. Step 4: Simplify right side
   100,536.57x = 3,869,155,758.55
5. Step 5: Solve for x
   x = 3,869,155,758.55/100,536.57
6. Step 6: Final answer
   x = 38,485.06