Finding the Fourth Proportional to 137,300.04, 189,452.04 and 76,873.20

Step by Step Solution

1. Step 1: Write the proportion equation
   137,300.04 : 189,452.04 = 76,873.20 : x
2. Step 2: Convert to fraction form
   137,300.04/189,452.04 = 76,873.20/x
3. Step 3: Cross multiply
   137,300.04x = 189,452.04 × 76,873.20
4. Step 4: Simplify right side
   137,300.04x = 14,563,784,561.33
5. Step 5: Solve for x
   x = 14,563,784,561.33/137,300.04
6. Step 6: Final answer
   x = 106,072.69