Finding the Fourth Proportional to 45,333.63, 67,544.81 and 42,787.10

Step by Step Solution

1. Step 1: Write the proportion equation
   45,333.63 : 67,544.81 = 42,787.10 : x
2. Step 2: Convert to fraction form
   45,333.63/67,544.81 = 42,787.10/x
3. Step 3: Cross multiply
   45,333.63x = 67,544.81 × 42,787.10
4. Step 4: Simplify right side
   45,333.63x = 2,890,046,539.95
5. Step 5: Solve for x
   x = 2,890,046,539.95/45,333.63
6. Step 6: Final answer
   x = 63,750.61