Finding the Fourth Proportional to 238,085.56, 328,562.09 and 130,665.58

Step by Step Solution

1. Step 1: Write the proportion equation
   238,085.56 : 328,562.09 = 130,665.58 : x
2. Step 2: Convert to fraction form
   238,085.56/328,562.09 = 130,665.58/x
3. Step 3: Cross multiply
   238,085.56x = 328,562.09 × 130,665.58
4. Step 4: Simplify right side
   238,085.56x = 42,931,756,055.86
5. Step 5: Solve for x
   x = 42,931,756,055.86/238,085.56
6. Step 6: Final answer
   x = 180,320.71