Finding the Fourth Proportional to 123,742.19, 185,643.47 and 39,502.37

Step by Step Solution

1. Step 1: Write the proportion equation
   123,742.19 : 185,643.47 = 39,502.37 : x
2. Step 2: Convert to fraction form
   123,742.19/185,643.47 = 39,502.37/x
3. Step 3: Cross multiply
   123,742.19x = 185,643.47 × 39,502.37
4. Step 4: Simplify right side
   123,742.19x = 7,333,355,914.29
5. Step 5: Solve for x
   x = 7,333,355,914.29/123,742.19
6. Step 6: Final answer
   x = 59,263.18