Finding the Fourth Proportional to 73,969.58, 102,053.06 and 42,115.92

Step by Step Solution

1. Step 1: Write the proportion equation
   73,969.58 : 102,053.06 = 42,115.92 : x
2. Step 2: Convert to fraction form
   73,969.58/102,053.06 = 42,115.92/x
3. Step 3: Cross multiply
   73,969.58x = 102,053.06 × 42,115.92
4. Step 4: Simplify right side
   73,969.58x = 4,298,059,173.35
5. Step 5: Solve for x
   x = 4,298,059,173.35/73,969.58
6. Step 6: Final answer
   x = 58,105.77