Finding the Fourth Proportional to 76,109.37, 105,027.22 and 42,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,109.37 : 105,027.22 = 42,117.25 : x
2. Step 2: Convert to fraction form
   76,109.37/105,027.22 = 42,117.25/x
3. Step 3: Cross multiply
   76,109.37x = 105,027.22 × 42,117.25
4. Step 4: Simplify right side
   76,109.37x = 4,423,457,681.55
5. Step 5: Solve for x
   x = 4,423,457,681.55/76,109.37
6. Step 6: Final answer
   x = 58,119.75