Finding the Fourth Proportional to 111,103.46, 153,322.67 and 62,715.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,103.46 : 153,322.67 = 62,715.57 : x
2. Step 2: Convert to fraction form
   111,103.46/153,322.67 = 62,715.57/x
3. Step 3: Cross multiply
   111,103.46x = 153,322.67 × 62,715.57
4. Step 4: Simplify right side
   111,103.46x = 9,615,718,799.76
5. Step 5: Solve for x
   x = 9,615,718,799.76/111,103.46
6. Step 6: Final answer
   x = 86,547.43