Finding the Fourth Proportional to 123,002.70, 169,767.27 and 72,026.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,002.70 : 169,767.27 = 72,026.70 : x
2. Step 2: Convert to fraction form
   123,002.70/169,767.27 = 72,026.70/x
3. Step 3: Cross multiply
   123,002.70x = 169,767.27 × 72,026.70
4. Step 4: Simplify right side
   123,002.70x = 12,227,776,226.11
5. Step 5: Solve for x
   x = 12,227,776,226.11/123,002.70
6. Step 6: Final answer
   x = 99,410.63