Finding the Fourth Proportional to 78,764.09, 108,693.46 and 42,953.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,764.09 : 108,693.46 = 42,953.27 : x
2. Step 2: Convert to fraction form
   78,764.09/108,693.46 = 42,953.27/x
3. Step 3: Cross multiply
   78,764.09x = 108,693.46 × 42,953.27
4. Step 4: Simplify right side
   78,764.09x = 4,668,739,534.61
5. Step 5: Solve for x
   x = 4,668,739,534.61/78,764.09
6. Step 6: Final answer
   x = 59,274.98