Finding the Fourth Proportional to 219,410.16, 302,792.00 and 123,931.05

Step by Step Solution

1. Step 1: Write the proportion equation
   219,410.16 : 302,792.00 = 123,931.05 : x
2. Step 2: Convert to fraction form
   219,410.16/302,792.00 = 123,931.05/x
3. Step 3: Cross multiply
   219,410.16x = 302,792.00 × 123,931.05
4. Step 4: Simplify right side
   219,410.16x = 37,525,329,871.94
5. Step 5: Solve for x
   x = 37,525,329,871.94/219,410.16
6. Step 6: Final answer
   x = 171,028.22