Finding the Fourth Proportional to 101,167.21, 139,611.23 and 55,844.37

Step by Step Solution

1. Step 1: Write the proportion equation
   101,167.21 : 139,611.23 = 55,844.37 : x
2. Step 2: Convert to fraction form
   101,167.21/139,611.23 = 55,844.37/x
3. Step 3: Cross multiply
   101,167.21x = 139,611.23 × 55,844.37
4. Step 4: Simplify right side
   101,167.21x = 7,796,501,184.28
5. Step 5: Solve for x
   x = 7,796,501,184.28/101,167.21
6. Step 6: Final answer
   x = 77,065.50