Finding the Fourth Proportional to 78,118.22, 107,803.14 and 42,308.36

Step by Step Solution

1. Step 1: Write the proportion equation
   78,118.22 : 107,803.14 = 42,308.36 : x
2. Step 2: Convert to fraction form
   78,118.22/107,803.14 = 42,308.36/x
3. Step 3: Cross multiply
   78,118.22x = 107,803.14 × 42,308.36
4. Step 4: Simplify right side
   78,118.22x = 4,560,974,056.25
5. Step 5: Solve for x
   x = 4,560,974,056.25/78,118.22
6. Step 6: Final answer
   x = 58,385.53