Finding the Fourth Proportional to 89,677.89, 123,730.61 and 70,756.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,677.89 : 123,730.61 = 70,756.29 : x
2. Step 2: Convert to fraction form
   89,677.89/123,730.61 = 70,756.29/x
3. Step 3: Cross multiply
   89,677.89x = 123,730.61 × 70,756.29
4. Step 4: Simplify right side
   89,677.89x = 8,754,718,569.26
5. Step 5: Solve for x
   x = 8,754,718,569.26/89,677.89
6. Step 6: Final answer
   x = 97,624.05