Finding the Fourth Proportional to 60,921.97, 83,989.64 and 42,748.00

Step by Step Solution

1. Step 1: Write the proportion equation
   60,921.97 : 83,989.64 = 42,748.00 : x
2. Step 2: Convert to fraction form
   60,921.97/83,989.64 = 42,748.00/x
3. Step 3: Cross multiply
   60,921.97x = 83,989.64 × 42,748.00
4. Step 4: Simplify right side
   60,921.97x = 3,590,388,497.03
5. Step 5: Solve for x
   x = 3,590,388,497.03/60,921.97
6. Step 6: Final answer
   x = 58,934.22