Finding the Fourth Proportional to 89,150.70, 124,577.70 and 89,150.70

Step by Step Solution

1. Step 1: Write the proportion equation
   89,150.70 : 124,577.70 = 89,150.70 : x
2. Step 2: Convert to fraction form
   89,150.70/124,577.70 = 89,150.70/x
3. Step 3: Cross multiply
   89,150.70x = 124,577.70 × 89,150.70
4. Step 4: Simplify right side
   89,150.70x = 11,106,189,159.39
5. Step 5: Solve for x
   x = 11,106,189,159.39/89,150.70
6. Step 6: Final answer
   x = 124,577.70