Finding the Fourth Proportional to 136,841.83, 205,178.89 and 48,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   136,841.83 : 205,178.89 = 48,105.52 : x
2. Step 2: Convert to fraction form
   136,841.83/205,178.89 = 48,105.52/x
3. Step 3: Cross multiply
   136,841.83x = 205,178.89 × 48,105.52
4. Step 4: Simplify right side
   136,841.83x = 9,870,237,196.47
5. Step 5: Solve for x
   x = 9,870,237,196.47/136,841.83
6. Step 6: Final answer
   x = 72,128.80