Finding the Fourth Proportional to 163,870.34, 245,810.19 and 89,026.34

Step by Step Solution

1. Step 1: Write the proportion equation
   163,870.34 : 245,810.19 = 89,026.34 : x
2. Step 2: Convert to fraction form
   163,870.34/245,810.19 = 89,026.34/x
3. Step 3: Cross multiply
   163,870.34x = 245,810.19 × 89,026.34
4. Step 4: Simplify right side
   163,870.34x = 21,883,581,550.40
5. Step 5: Solve for x
   x = 21,883,581,550.40/163,870.34
6. Step 6: Final answer
   x = 133,542.05