Finding the Fourth Proportional to 76,314.37, 105,314.14 and 42,326.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,314.37 : 105,314.14 = 42,326.03 : x
2. Step 2: Convert to fraction form
   76,314.37/105,314.14 = 42,326.03/x
3. Step 3: Cross multiply
   76,314.37x = 105,314.14 × 42,326.03
4. Step 4: Simplify right side
   76,314.37x = 4,457,529,449.06
5. Step 5: Solve for x
   x = 4,457,529,449.06/76,314.37
6. Step 6: Final answer
   x = 58,410.09