Finding the Fourth Proportional to 114,090.30, 171,184.05 and 72,002.70

Step by Step Solution

1. Step 1: Write the proportion equation
   114,090.30 : 171,184.05 = 72,002.70 : x
2. Step 2: Convert to fraction form
   114,090.30/171,184.05 = 72,002.70/x
3. Step 3: Cross multiply
   114,090.30x = 171,184.05 × 72,002.70
4. Step 4: Simplify right side
   114,090.30x = 12,325,713,796.94
5. Step 5: Solve for x
   x = 12,325,713,796.94/114,090.30
6. Step 6: Final answer
   x = 108,034.72