Finding the Fourth Proportional to 238,099.23, 328,580.94 and 130,679.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,099.23 : 328,580.94 = 130,679.25 : x
2. Step 2: Convert to fraction form
   238,099.23/328,580.94 = 130,679.25/x
3. Step 3: Cross multiply
   238,099.23x = 328,580.94 × 130,679.25
4. Step 4: Simplify right side
   238,099.23x = 42,938,710,150.10
5. Step 5: Solve for x
   x = 42,938,710,150.10/238,099.23
6. Step 6: Final answer
   x = 180,339.56