Finding the Fourth Proportional to 76,326.56, 105,337.12 and 42,346

Step by Step Solution

1. Step 1: Write the proportion equation
   76,326.56 : 105,337.12 = 42,346 : x
2. Step 2: Convert to fraction form
   76,326.56/105,337.12 = 42,346/x
3. Step 3: Cross multiply
   76,326.56x = 105,337.12 × 42,346
4. Step 4: Simplify right side
   76,326.56x = 4,460,605,683.52
5. Step 5: Solve for x
   x = 4,460,605,683.52/76,326.56
6. Step 6: Final answer
   x = 58,441.07