Finding the Fourth Proportional to 101,472.69, 139,917.69 and 75,897.09

Step by Step Solution

1. Step 1: Write the proportion equation
   101,472.69 : 139,917.69 = 75,897.09 : x
2. Step 2: Convert to fraction form
   101,472.69/139,917.69 = 75,897.09/x
3. Step 3: Cross multiply
   101,472.69x = 139,917.69 × 75,897.09
4. Step 4: Simplify right side
   101,472.69x = 10,619,345,510.52
5. Step 5: Solve for x
   x = 10,619,345,510.52/101,472.69
6. Step 6: Final answer
   x = 104,652.25