Finding the Fourth Proportional to 238,111.60, 328,593.11 and 130,683.43

Step by Step Solution

1. Step 1: Write the proportion equation
   238,111.60 : 328,593.11 = 130,683.43 : x
2. Step 2: Convert to fraction form
   238,111.60/328,593.11 = 130,683.43/x
3. Step 3: Cross multiply
   238,111.60x = 328,593.11 × 130,683.43
4. Step 4: Simplify right side
   238,111.60x = 42,941,672,598.16
5. Step 5: Solve for x
   x = 42,941,672,598.16/238,111.60
6. Step 6: Final answer
   x = 180,342.63