Finding the Fourth Proportional to 78,763.38, 108,696.10 and 42,955.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,763.38 : 108,696.10 = 42,955.34 : x
2. Step 2: Convert to fraction form
   78,763.38/108,696.10 = 42,955.34/x
3. Step 3: Cross multiply
   78,763.38x = 108,696.10 × 42,955.34
4. Step 4: Simplify right side
   78,763.38x = 4,669,077,932.17
5. Step 5: Solve for x
   x = 4,669,077,932.17/78,763.38
6. Step 6: Final answer
   x = 59,279.81