Finding the Fourth Proportional to 76,738.02, 105,896.86 and 42,746.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,738.02 : 105,896.86 = 42,746.46 : x
2. Step 2: Convert to fraction form
   76,738.02/105,896.86 = 42,746.46/x
3. Step 3: Cross multiply
   76,738.02x = 105,896.86 × 42,746.46
4. Step 4: Simplify right side
   76,738.02x = 4,526,715,890.12
5. Step 5: Solve for x
   x = 4,526,715,890.12/76,738.02
6. Step 6: Final answer
   x = 58,989.22