Finding the Fourth Proportional to 42,300.32, 63,359.12 and 39,816

Step by Step Solution

1. Step 1: Write the proportion equation
   42,300.32 : 63,359.12 = 39,816 : x
2. Step 2: Convert to fraction form
   42,300.32/63,359.12 = 39,816/x
3. Step 3: Cross multiply
   42,300.32x = 63,359.12 × 39,816
4. Step 4: Simplify right side
   42,300.32x = 2,522,706,721.92
5. Step 5: Solve for x
   x = 2,522,706,721.92/42,300.32
6. Step 6: Final answer
   x = 59,638.01