Finding the Fourth Proportional to 74,801.77, 103,235.57 and 42,970.59

Step by Step Solution

1. Step 1: Write the proportion equation
   74,801.77 : 103,235.57 = 42,970.59 : x
2. Step 2: Convert to fraction form
   74,801.77/103,235.57 = 42,970.59/x
3. Step 3: Cross multiply
   74,801.77x = 103,235.57 × 42,970.59
4. Step 4: Simplify right side
   74,801.77x = 4,436,093,351.89
5. Step 5: Solve for x
   x = 4,436,093,351.89/74,801.77
6. Step 6: Final answer
   x = 59,304.66