Finding the Fourth Proportional to 76,461.67, 105,513.54 and 42,472.35

Step by Step Solution

1. Step 1: Write the proportion equation
   76,461.67 : 105,513.54 = 42,472.35 : x
2. Step 2: Convert to fraction form
   76,461.67/105,513.54 = 42,472.35/x
3. Step 3: Cross multiply
   76,461.67x = 105,513.54 × 42,472.35
4. Step 4: Simplify right side
   76,461.67x = 4,481,407,841.35
5. Step 5: Solve for x
   x = 4,481,407,841.35/76,461.67
6. Step 6: Final answer
   x = 58,609.86