Finding the Fourth Proportional to 78,663.33, 108,554.76 and 42,853.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,663.33 : 108,554.76 = 42,853.32 : x
2. Step 2: Convert to fraction form
   78,663.33/108,554.76 = 42,853.32/x
3. Step 3: Cross multiply
   78,663.33x = 108,554.76 × 42,853.32
4. Step 4: Simplify right side
   78,663.33x = 4,651,931,867.80
5. Step 5: Solve for x
   x = 4,651,931,867.80/78,663.33
6. Step 6: Final answer
   x = 59,137.24