Finding the Fourth Proportional to 238,947.26, 358,409.00 and 89,176.10

Step by Step Solution

1. Step 1: Write the proportion equation
   238,947.26 : 358,409.00 = 89,176.10 : x
2. Step 2: Convert to fraction form
   238,947.26/358,409.00 = 89,176.10/x
3. Step 3: Cross multiply
   238,947.26x = 358,409.00 × 89,176.10
4. Step 4: Simplify right side
   238,947.26x = 31,961,515,255.80
5. Step 5: Solve for x
   x = 31,961,515,255.80/238,947.26
6. Step 6: Final answer
   x = 133,759.71