Finding the Fourth Proportional to 132,710.94, 183,142.28 and 72,281.86

Step by Step Solution

1. Step 1: Write the proportion equation
   132,710.94 : 183,142.28 = 72,281.86 : x
2. Step 2: Convert to fraction form
   132,710.94/183,142.28 = 72,281.86/x
3. Step 3: Cross multiply
   132,710.94x = 183,142.28 × 72,281.86
4. Step 4: Simplify right side
   132,710.94x = 13,237,864,365.89
5. Step 5: Solve for x
   x = 13,237,864,365.89/132,710.94
6. Step 6: Final answer
   x = 99,749.61