Finding the Fourth Proportional to 238,086.51, 328,564.80 and 130,663.38

Step by Step Solution

1. Step 1: Write the proportion equation
   238,086.51 : 328,564.80 = 130,663.38 : x
2. Step 2: Convert to fraction form
   238,086.51/328,564.80 = 130,663.38/x
3. Step 3: Cross multiply
   238,086.51x = 328,564.80 × 130,663.38
4. Step 4: Simplify right side
   238,086.51x = 42,931,387,317.02
5. Step 5: Solve for x
   x = 42,931,387,317.02/238,086.51
6. Step 6: Final answer
   x = 180,318.44