Finding the Fourth Proportional to 132,428.99, 182,755.59 and 72,003.69

Step by Step Solution

1. Step 1: Write the proportion equation
   132,428.99 : 182,755.59 = 72,003.69 : x
2. Step 2: Convert to fraction form
   132,428.99/182,755.59 = 72,003.69/x
3. Step 3: Cross multiply
   132,428.99x = 182,755.59 × 72,003.69
4. Step 4: Simplify right side
   132,428.99x = 13,159,076,848.13
5. Step 5: Solve for x
   x = 13,159,076,848.13/132,428.99
6. Step 6: Final answer
   x = 99,367.04