Finding the Fourth Proportional to 121,417.64, 182,015.52 and 42,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   121,417.64 : 182,015.52 = 42,488.82 : x
2. Step 2: Convert to fraction form
   121,417.64/182,015.52 = 42,488.82/x
3. Step 3: Cross multiply
   121,417.64x = 182,015.52 × 42,488.82
4. Step 4: Simplify right side
   121,417.64x = 7,733,624,666.49
5. Step 5: Solve for x
   x = 7,733,624,666.49/121,417.64
6. Step 6: Final answer
   x = 63,694.41