Finding the Fourth Proportional to 101,063.58, 139,468.80 and 55,743.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,063.58 : 139,468.80 = 55,743.48 : x
2. Step 2: Convert to fraction form
   101,063.58/139,468.80 = 55,743.48/x
3. Step 3: Cross multiply
   101,063.58x = 139,468.80 × 55,743.48
4. Step 4: Simplify right side
   101,063.58x = 7,774,476,263.42
5. Step 5: Solve for x
   x = 7,774,476,263.42/101,063.58
6. Step 6: Final answer
   x = 76,926.59