Finding the Fourth Proportional to 78,496.74, 108,326.01 and 42,687.14

Step by Step Solution

1. Step 1: Write the proportion equation
   78,496.74 : 108,326.01 = 42,687.14 : x
2. Step 2: Convert to fraction form
   78,496.74/108,326.01 = 42,687.14/x
3. Step 3: Cross multiply
   78,496.74x = 108,326.01 × 42,687.14
4. Step 4: Simplify right side
   78,496.74x = 4,624,127,554.51
5. Step 5: Solve for x
   x = 4,624,127,554.51/78,496.74
6. Step 6: Final answer
   x = 58,908.53