Finding the Fourth Proportional to 129,776.27, 179,085.71 and 73,192.91

Step by Step Solution

1. Step 1: Write the proportion equation
   129,776.27 : 179,085.71 = 73,192.91 : x
2. Step 2: Convert to fraction form
   129,776.27/179,085.71 = 73,192.91/x
3. Step 3: Cross multiply
   129,776.27x = 179,085.71 × 73,192.91
4. Step 4: Simplify right side
   129,776.27x = 13,107,803,541.87
5. Step 5: Solve for x
   x = 13,107,803,541.87/129,776.27
6. Step 6: Final answer
   x = 101,003.09