Finding the Fourth Proportional to 55,410.72, 83,113.20 and 17,970.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,410.72 : 83,113.20 = 17,970.24 : x
2. Step 2: Convert to fraction form
   55,410.72/83,113.20 = 17,970.24/x
3. Step 3: Cross multiply
   55,410.72x = 83,113.20 × 17,970.24
4. Step 4: Simplify right side
   55,410.72x = 1,493,564,151.17
5. Step 5: Solve for x
   x = 1,493,564,151.17/55,410.72
6. Step 6: Final answer
   x = 26,954.43