Finding the Fourth Proportional to 78,346.60, 108,118.38 and 42,536.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,346.60 : 108,118.38 = 42,536.59 : x
2. Step 2: Convert to fraction form
   78,346.60/108,118.38 = 42,536.59/x
3. Step 3: Cross multiply
   78,346.60x = 108,118.38 × 42,536.59
4. Step 4: Simplify right side
   78,346.60x = 4,598,987,201.52
5. Step 5: Solve for x
   x = 4,598,987,201.52/78,346.60
6. Step 6: Final answer
   x = 58,700.53