Finding the Fourth Proportional to 73,916.62, 102,005.03 and 42,085.53

Step by Step Solution

1. Step 1: Write the proportion equation
   73,916.62 : 102,005.03 = 42,085.53 : x
2. Step 2: Convert to fraction form
   73,916.62/102,005.03 = 42,085.53/x
3. Step 3: Cross multiply
   73,916.62x = 102,005.03 × 42,085.53
4. Step 4: Simplify right side
   73,916.62x = 4,292,935,855.43
5. Step 5: Solve for x
   x = 4,292,935,855.43/73,916.62
6. Step 6: Final answer
   x = 58,078.09