Finding the Fourth Proportional to 89,113.74, 123,015.47 and 53,296.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,113.74 : 123,015.47 = 53,296.82 : x
2. Step 2: Convert to fraction form
   89,113.74/123,015.47 = 53,296.82/x
3. Step 3: Cross multiply
   89,113.74x = 123,015.47 × 53,296.82
4. Step 4: Simplify right side
   89,113.74x = 6,556,333,361.81
5. Step 5: Solve for x
   x = 6,556,333,361.81/89,113.74
6. Step 6: Final answer
   x = 73,572.64