Finding the Fourth Proportional to 101,063.22, 139,471.38 and 55,746.42

Step by Step Solution

1. Step 1: Write the proportion equation
   101,063.22 : 139,471.38 = 55,746.42 : x
2. Step 2: Convert to fraction form
   101,063.22/139,471.38 = 55,746.42/x
3. Step 3: Cross multiply
   101,063.22x = 139,471.38 × 55,746.42
4. Step 4: Simplify right side
   101,063.22x = 7,775,030,127.46
5. Step 5: Solve for x
   x = 7,775,030,127.46/101,063.22
6. Step 6: Final answer
   x = 76,932.34