Finding the Fourth Proportional to 101,142.54, 139,629.18 and 73,888.03

Step by Step Solution

1. Step 1: Write the proportion equation
   101,142.54 : 139,629.18 = 73,888.03 : x
2. Step 2: Convert to fraction form
   101,142.54/139,629.18 = 73,888.03/x
3. Step 3: Cross multiply
   101,142.54x = 139,629.18 × 73,888.03
4. Step 4: Simplify right side
   101,142.54x = 10,316,925,492.33
5. Step 5: Solve for x
   x = 10,316,925,492.33/101,142.54
6. Step 6: Final answer
   x = 102,003.82