Finding the Fourth Proportional to 78,346.09, 108,116.98 and 42,535.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,346.09 : 108,116.98 = 42,535.38 : x
2. Step 2: Convert to fraction form
   78,346.09/108,116.98 = 42,535.38/x
3. Step 3: Cross multiply
   78,346.09x = 108,116.98 × 42,535.38
4. Step 4: Simplify right side
   78,346.09x = 4,598,796,828.75
5. Step 5: Solve for x
   x = 4,598,796,828.75/78,346.09
6. Step 6: Final answer
   x = 58,698.49