Finding the Fourth Proportional to 123,797.48, 170,881.16 and 72,807.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,797.48 : 170,881.16 = 72,807.98 : x
2. Step 2: Convert to fraction form
   123,797.48/170,881.16 = 72,807.98/x
3. Step 3: Cross multiply
   123,797.48x = 170,881.16 × 72,807.98
4. Step 4: Simplify right side
   123,797.48x = 12,441,510,861.21
5. Step 5: Solve for x
   x = 12,441,510,861.21/123,797.48
6. Step 6: Final answer
   x = 100,498.91