Finding the Fourth Proportional to 78,564.88, 117,855 and 37,000.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,564.88 : 117,855 = 37,000.72 : x
2. Step 2: Convert to fraction form
   78,564.88/117,855 = 37,000.72/x
3. Step 3: Cross multiply
   78,564.88x = 117,855 × 37,000.72
4. Step 4: Simplify right side
   78,564.88x = 4,360,719,855.60
5. Step 5: Solve for x
   x = 4,360,719,855.60/78,564.88
6. Step 6: Final answer
   x = 55,504.70