Finding the Fourth Proportional to 78,073.67, 107,740.94 and 42,262.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,073.67 : 107,740.94 = 42,262.76 : x
2. Step 2: Convert to fraction form
   78,073.67/107,740.94 = 42,262.76/x
3. Step 3: Cross multiply
   78,073.67x = 107,740.94 × 42,262.76
4. Step 4: Simplify right side
   78,073.67x = 4,553,429,547.43
5. Step 5: Solve for x
   x = 4,553,429,547.43/78,073.67
6. Step 6: Final answer
   x = 58,322.22