Finding the Fourth Proportional to 238,236.72, 328,771.98 and 130,807.18

Step by Step Solution

1. Step 1: Write the proportion equation
   238,236.72 : 328,771.98 = 130,807.18 : x
2. Step 2: Convert to fraction form
   238,236.72/328,771.98 = 130,807.18/x
3. Step 3: Cross multiply
   238,236.72x = 328,771.98 × 130,807.18
4. Step 4: Simplify right side
   238,236.72x = 43,005,734,501.27
5. Step 5: Solve for x
   x = 43,005,734,501.27/238,236.72
6. Step 6: Final answer
   x = 180,516.82