Finding the Fourth Proportional to 74,513.05, 102,801.89 and 42,242.94

Step by Step Solution

1. Step 1: Write the proportion equation
   74,513.05 : 102,801.89 = 42,242.94 : x
2. Step 2: Convert to fraction form
   74,513.05/102,801.89 = 42,242.94/x
3. Step 3: Cross multiply
   74,513.05x = 102,801.89 × 42,242.94
4. Step 4: Simplify right side
   74,513.05x = 4,342,654,176.76
5. Step 5: Solve for x
   x = 4,342,654,176.76/74,513.05
6. Step 6: Final answer
   x = 58,280.45