Finding the Fourth Proportional to 112,521.35, 155,346.83 and 70,137.29

Step by Step Solution

1. Step 1: Write the proportion equation
   112,521.35 : 155,346.83 = 70,137.29 : x
2. Step 2: Convert to fraction form
   112,521.35/155,346.83 = 70,137.29/x
3. Step 3: Cross multiply
   112,521.35x = 155,346.83 × 70,137.29
4. Step 4: Simplify right side
   112,521.35x = 10,895,605,666.29
5. Step 5: Solve for x
   x = 10,895,605,666.29/112,521.35
6. Step 6: Final answer
   x = 96,831.45