Finding the Fourth Proportional to 111,945.02, 154,483.35 and 61,644.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,945.02 : 154,483.35 = 61,644.02 : x
2. Step 2: Convert to fraction form
   111,945.02/154,483.35 = 61,644.02/x
3. Step 3: Cross multiply
   111,945.02x = 154,483.35 × 61,644.02
4. Step 4: Simplify right side
   111,945.02x = 9,522,974,717.07
5. Step 5: Solve for x
   x = 9,522,974,717.07/111,945.02
6. Step 6: Final answer
   x = 85,068.32