Finding the Fourth Proportional to 101,300.92, 139,794.74 and 55,982.06

Step by Step Solution

1. Step 1: Write the proportion equation
   101,300.92 : 139,794.74 = 55,982.06 : x
2. Step 2: Convert to fraction form
   101,300.92/139,794.74 = 55,982.06/x
3. Step 3: Cross multiply
   101,300.92x = 139,794.74 × 55,982.06
4. Step 4: Simplify right side
   101,300.92x = 7,825,997,522.36
5. Step 5: Solve for x
   x = 7,825,997,522.36/101,300.92
6. Step 6: Final answer
   x = 77,254.95