Finding the Fourth Proportional to 132,622.89, 183,019.61 and 72,193.98

Step by Step Solution

1. Step 1: Write the proportion equation
   132,622.89 : 183,019.61 = 72,193.98 : x
2. Step 2: Convert to fraction form
   132,622.89/183,019.61 = 72,193.98/x
3. Step 3: Cross multiply
   132,622.89x = 183,019.61 × 72,193.98
4. Step 4: Simplify right side
   132,622.89x = 13,212,914,259.34
5. Step 5: Solve for x
   x = 13,212,914,259.34/132,622.89
6. Step 6: Final answer
   x = 99,627.71