Finding the Fourth Proportional to 230,300.15, 317,816.51 and 134,808.89

Step by Step Solution

1. Step 1: Write the proportion equation
   230,300.15 : 317,816.51 = 134,808.89 : x
2. Step 2: Convert to fraction form
   230,300.15/317,816.51 = 134,808.89/x
3. Step 3: Cross multiply
   230,300.15x = 317,816.51 × 134,808.89
4. Step 4: Simplify right side
   230,300.15x = 42,844,488,673.65
5. Step 5: Solve for x
   x = 42,844,488,673.65/230,300.15
6. Step 6: Final answer
   x = 186,037.61