Finding the Fourth Proportional to 101,272.33, 139,767.69 and 61,006.42

Step by Step Solution

1. Step 1: Write the proportion equation
   101,272.33 : 139,767.69 = 61,006.42 : x
2. Step 2: Convert to fraction form
   101,272.33/139,767.69 = 61,006.42/x
3. Step 3: Cross multiply
   101,272.33x = 139,767.69 × 61,006.42
4. Step 4: Simplify right side
   101,272.33x = 8,526,726,398.57
5. Step 5: Solve for x
   x = 8,526,726,398.57/101,272.33
6. Step 6: Final answer
   x = 84,196.01