Finding the Fourth Proportional to 238,100.72, 328,583.01 and 130,680.75

Step by Step Solution

1. Step 1: Write the proportion equation
   238,100.72 : 328,583.01 = 130,680.75 : x
2. Step 2: Convert to fraction form
   238,100.72/328,583.01 = 130,680.75/x
3. Step 3: Cross multiply
   238,100.72x = 328,583.01 × 130,680.75
4. Step 4: Simplify right side
   238,100.72x = 42,939,474,184.06
5. Step 5: Solve for x
   x = 42,939,474,184.06/238,100.72
6. Step 6: Final answer
   x = 180,341.64