Finding the Fourth Proportional to 121,595.76, 182,411.91 and 42,696.09

Step by Step Solution

1. Step 1: Write the proportion equation
   121,595.76 : 182,411.91 = 42,696.09 : x
2. Step 2: Convert to fraction form
   121,595.76/182,411.91 = 42,696.09/x
3. Step 3: Cross multiply
   121,595.76x = 182,411.91 × 42,696.09
4. Step 4: Simplify right side
   121,595.76x = 7,788,275,326.43
5. Step 5: Solve for x
   x = 7,788,275,326.43/121,595.76
6. Step 6: Final answer
   x = 64,050.55