Finding the Fourth Proportional to 76,738.23, 105,898.16 and 42,746.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,738.23 : 105,898.16 = 42,746.36 : x
2. Step 2: Convert to fraction form
   76,738.23/105,898.16 = 42,746.36/x
3. Step 3: Cross multiply
   76,738.23x = 105,898.16 × 42,746.36
4. Step 4: Simplify right side
   76,738.23x = 4,526,760,127.48
5. Step 5: Solve for x
   x = 4,526,760,127.48/76,738.23
6. Step 6: Final answer
   x = 58,989.63