Finding the Fourth Proportional to 116,072.21, 174,080.37 and 73,889.03

Step by Step Solution

1. Step 1: Write the proportion equation
   116,072.21 : 174,080.37 = 73,889.03 : x
2. Step 2: Convert to fraction form
   116,072.21/174,080.37 = 73,889.03/x
3. Step 3: Cross multiply
   116,072.21x = 174,080.37 × 73,889.03
4. Step 4: Simplify right side
   116,072.21x = 12,862,629,681.34
5. Step 5: Solve for x
   x = 12,862,629,681.34/116,072.21
6. Step 6: Final answer
   x = 110,815.76