Finding the Fourth Proportional to 74,746.05, 112,086.57 and 21,426.28

Step by Step Solution

1. Step 1: Write the proportion equation
   74,746.05 : 112,086.57 = 21,426.28 : x
2. Step 2: Convert to fraction form
   74,746.05/112,086.57 = 21,426.28/x
3. Step 3: Cross multiply
   74,746.05x = 112,086.57 × 21,426.28
4. Step 4: Simplify right side
   74,746.05x = 2,401,598,233.06
5. Step 5: Solve for x
   x = 2,401,598,233.06/74,746.05
6. Step 6: Final answer
   x = 32,130.10