Finding the Fourth Proportional to 78,126.05, 107,813.91 and 42,316.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,126.05 : 107,813.91 = 42,316.06 : x
2. Step 2: Convert to fraction form
   78,126.05/107,813.91 = 42,316.06/x
3. Step 3: Cross multiply
   78,126.05x = 107,813.91 × 42,316.06
4. Step 4: Simplify right side
   78,126.05x = 4,562,259,884.39
5. Step 5: Solve for x
   x = 4,562,259,884.39/78,126.05
6. Step 6: Final answer
   x = 58,396.14