Finding the Fourth Proportional to 111,817, 154,307.46 and 61,519.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,817 : 154,307.46 = 61,519.24 : x
2. Step 2: Convert to fraction form
   111,817/154,307.46 = 61,519.24/x
3. Step 3: Cross multiply
   111,817x = 154,307.46 × 61,519.24
4. Step 4: Simplify right side
   111,817x = 9,492,877,665.53
5. Step 5: Solve for x
   x = 9,492,877,665.53/111,817
6. Step 6: Final answer
   x = 84,896.55