Finding the Fourth Proportional to 74,767.05, 103,175.63 and 42,505.89

Step by Step Solution

1. Step 1: Write the proportion equation
   74,767.05 : 103,175.63 = 42,505.89 : x
2. Step 2: Convert to fraction form
   74,767.05/103,175.63 = 42,505.89/x
3. Step 3: Cross multiply
   74,767.05x = 103,175.63 × 42,505.89
4. Step 4: Simplify right side
   74,767.05x = 4,385,571,766.93
5. Step 5: Solve for x
   x = 4,385,571,766.93/74,767.05
6. Step 6: Final answer
   x = 58,656.48