Finding the Fourth Proportional to 117,347.94, 162,028.89 and 72,087.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,347.94 : 162,028.89 = 72,087.98 : x
2. Step 2: Convert to fraction form
   117,347.94/162,028.89 = 72,087.98/x
3. Step 3: Cross multiply
   117,347.94x = 162,028.89 × 72,087.98
4. Step 4: Simplify right side
   117,347.94x = 11,680,334,571.60
5. Step 5: Solve for x
   x = 11,680,334,571.60/117,347.94
6. Step 6: Final answer
   x = 99,535.91