Finding the Fourth Proportional to 78,670.20, 118,048.50 and 37,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,670.20 : 118,048.50 = 37,116.12 : x
2. Step 2: Convert to fraction form
   78,670.20/118,048.50 = 37,116.12/x
3. Step 3: Cross multiply
   78,670.20x = 118,048.50 × 37,116.12
4. Step 4: Simplify right side
   78,670.20x = 4,381,502,291.82
5. Step 5: Solve for x
   x = 4,381,502,291.82/78,670.20
6. Step 6: Final answer
   x = 55,694.56