Finding the Fourth Proportional to 238,066.01, 328,530.90 and 130,642.80

Step by Step Solution

1. Step 1: Write the proportion equation
   238,066.01 : 328,530.90 = 130,642.80 : x
2. Step 2: Convert to fraction form
   238,066.01/328,530.90 = 130,642.80/x
3. Step 3: Cross multiply
   238,066.01x = 328,530.90 × 130,642.80
4. Step 4: Simplify right side
   238,066.01x = 42,920,196,662.52
5. Step 5: Solve for x
   x = 42,920,196,662.52/238,066.01
6. Step 6: Final answer
   x = 180,286.96