Finding the Fourth Proportional to 134,116.69, 185,080.91 and 73,687.21

Step by Step Solution

1. Step 1: Write the proportion equation
   134,116.69 : 185,080.91 = 73,687.21 : x
2. Step 2: Convert to fraction form
   134,116.69/185,080.91 = 73,687.21/x
3. Step 3: Cross multiply
   134,116.69x = 185,080.91 × 73,687.21
4. Step 4: Simplify right side
   134,116.69x = 13,638,095,308.87
5. Step 5: Solve for x
   x = 13,638,095,308.87/134,116.69
6. Step 6: Final answer
   x = 101,688.28