Finding the Fourth Proportional to 54,294.84, 74,907.59 and 42,966.18

Step by Step Solution

1. Step 1: Write the proportion equation
   54,294.84 : 74,907.59 = 42,966.18 : x
2. Step 2: Convert to fraction form
   54,294.84/74,907.59 = 42,966.18/x
3. Step 3: Cross multiply
   54,294.84x = 74,907.59 × 42,966.18
4. Step 4: Simplify right side
   54,294.84x = 3,218,492,780.48
5. Step 5: Solve for x
   x = 3,218,492,780.48/54,294.84
6. Step 6: Final answer
   x = 59,278.06