Finding the Fourth Proportional to 238,066.52, 328,531.59 and 130,643.30

Step by Step Solution

1. Step 1: Write the proportion equation
   238,066.52 : 328,531.59 = 130,643.30 : x
2. Step 2: Convert to fraction form
   238,066.52/328,531.59 = 130,643.30/x
3. Step 3: Cross multiply
   238,066.52x = 328,531.59 × 130,643.30
4. Step 4: Simplify right side
   238,066.52x = 42,920,449,429.19
5. Step 5: Solve for x
   x = 42,920,449,429.19/238,066.52
6. Step 6: Final answer
   x = 180,287.64