Finding the Fourth Proportional to 76,267.35, 105,237.90 and 42,275.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,267.35 : 105,237.90 = 42,275.83 : x
2. Step 2: Convert to fraction form
   76,267.35/105,237.90 = 42,275.83/x
3. Step 3: Cross multiply
   76,267.35x = 105,237.90 × 42,275.83
4. Step 4: Simplify right side
   76,267.35x = 4,449,019,533.59
5. Step 5: Solve for x
   x = 4,449,019,533.59/76,267.35
6. Step 6: Final answer
   x = 58,334.52