Finding the Fourth Proportional to 157,758.02, 236,706.15 and 82,860.83

Step by Step Solution

1. Step 1: Write the proportion equation
   157,758.02 : 236,706.15 = 82,860.83 : x
2. Step 2: Convert to fraction form
   157,758.02/236,706.15 = 82,860.83/x
3. Step 3: Cross multiply
   157,758.02x = 236,706.15 × 82,860.83
4. Step 4: Simplify right side
   157,758.02x = 19,613,668,055.10
5. Step 5: Solve for x
   x = 19,613,668,055.10/157,758.02
6. Step 6: Final answer
   x = 124,327.55