Finding the Fourth Proportional to 111,365, 153,683.71 and 61,065.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,365 : 153,683.71 = 61,065.08 : x
2. Step 2: Convert to fraction form
   111,365/153,683.71 = 61,065.08/x
3. Step 3: Cross multiply
   111,365x = 153,683.71 × 61,065.08
4. Step 4: Simplify right side
   111,365x = 9,384,708,045.85
5. Step 5: Solve for x
   x = 9,384,708,045.85/111,365
6. Step 6: Final answer
   x = 84,269.82