Finding the Fourth Proportional to 238,081.37, 328,561.77 and 130,655.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,081.37 : 328,561.77 = 130,655.25 : x
2. Step 2: Convert to fraction form
   238,081.37/328,561.77 = 130,655.25/x
3. Step 3: Cross multiply
   238,081.37x = 328,561.77 × 130,655.25
4. Step 4: Simplify right side
   238,081.37x = 42,928,320,199.79
5. Step 5: Solve for x
   x = 42,928,320,199.79/238,081.37
6. Step 6: Final answer
   x = 180,309.45