Finding the Fourth Proportional to 76,337.94, 105,348.05 and 42,345.33

Step by Step Solution

1. Step 1: Write the proportion equation
   76,337.94 : 105,348.05 = 42,345.33 : x
2. Step 2: Convert to fraction form
   76,337.94/105,348.05 = 42,345.33/x
3. Step 3: Cross multiply
   76,337.94x = 105,348.05 × 42,345.33
4. Step 4: Simplify right side
   76,337.94x = 4,460,997,730.38
5. Step 5: Solve for x
   x = 4,460,997,730.38/76,337.94
6. Step 6: Final answer
   x = 58,437.49