Finding the Fourth Proportional to 73,918.84, 102,020.42 and 42,083.32

Step by Step Solution

1. Step 1: Write the proportion equation
   73,918.84 : 102,020.42 = 42,083.32 : x
2. Step 2: Convert to fraction form
   73,918.84/102,020.42 = 42,083.32/x
3. Step 3: Cross multiply
   73,918.84x = 102,020.42 × 42,083.32
4. Step 4: Simplify right side
   73,918.84x = 4,293,357,981.39
5. Step 5: Solve for x
   x = 4,293,357,981.39/73,918.84
6. Step 6: Final answer
   x = 58,082.05