Finding the Fourth Proportional to 64,914.30, 89,567.64 and 42,250.92

Step by Step Solution

1. Step 1: Write the proportion equation
   64,914.30 : 89,567.64 = 42,250.92 : x
2. Step 2: Convert to fraction form
   64,914.30/89,567.64 = 42,250.92/x
3. Step 3: Cross multiply
   64,914.30x = 89,567.64 × 42,250.92
4. Step 4: Simplify right side
   64,914.30x = 3,784,315,192.23
5. Step 5: Solve for x
   x = 3,784,315,192.23/64,914.30
6. Step 6: Final answer
   x = 58,297.10