Finding the Fourth Proportional to 65,038.12, 89,696.34 and 42,368.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,038.12 : 89,696.34 = 42,368.56 : x
2. Step 2: Convert to fraction form
   65,038.12/89,696.34 = 42,368.56/x
3. Step 3: Cross multiply
   65,038.12x = 89,696.34 × 42,368.56
4. Step 4: Simplify right side
   65,038.12x = 3,800,304,763.07
5. Step 5: Solve for x
   x = 3,800,304,763.07/65,038.12
6. Step 6: Final answer
   x = 58,431.96