Finding the Fourth Proportional to 74,764.54, 103,172.17 and 42,503.39

Step by Step Solution

1. Step 1: Write the proportion equation
   74,764.54 : 103,172.17 = 42,503.39 : x
2. Step 2: Convert to fraction form
   74,764.54/103,172.17 = 42,503.39/x
3. Step 3: Cross multiply
   74,764.54x = 103,172.17 × 42,503.39
4. Step 4: Simplify right side
   74,764.54x = 4,385,166,978.66
5. Step 5: Solve for x
   x = 4,385,166,978.66/74,764.54
6. Step 6: Final answer
   x = 58,653.03