Finding the Fourth Proportional to 162,081.64, 243,131.10 and 51,265

Step by Step Solution

1. Step 1: Write the proportion equation
   162,081.64 : 243,131.10 = 51,265 : x
2. Step 2: Convert to fraction form
   162,081.64/243,131.10 = 51,265/x
3. Step 3: Cross multiply
   162,081.64x = 243,131.10 × 51,265
4. Step 4: Simplify right side
   162,081.64x = 12,464,115,841.50
5. Step 5: Solve for x
   x = 12,464,115,841.50/162,081.64
6. Step 6: Final answer
   x = 76,900.23