Finding the Fourth Proportional to 65,965.44, 90,970.56 and 42,107.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,965.44 : 90,970.56 = 42,107.52 : x
2. Step 2: Convert to fraction form
   65,965.44/90,970.56 = 42,107.52/x
3. Step 3: Cross multiply
   65,965.44x = 90,970.56 × 42,107.52
4. Step 4: Simplify right side
   65,965.44x = 3,830,544,674.61
5. Step 5: Solve for x
   x = 3,830,544,674.61/65,965.44
6. Step 6: Final answer
   x = 58,068.96