Finding the Fourth Proportional to 76,752.01, 105,921.44 and 42,762.79

Step by Step Solution

1. Step 1: Write the proportion equation
   76,752.01 : 105,921.44 = 42,762.79 : x
2. Step 2: Convert to fraction form
   76,752.01/105,921.44 = 42,762.79/x
3. Step 3: Cross multiply
   76,752.01x = 105,921.44 × 42,762.79
4. Step 4: Simplify right side
   76,752.01x = 4,529,496,081.40
5. Step 5: Solve for x
   x = 4,529,496,081.40/76,752.01
6. Step 6: Final answer
   x = 59,014.69