Finding the Fourth Proportional to 79,992.50, 120,023.78 and 37,902.63

Step by Step Solution

1. Step 1: Write the proportion equation
   79,992.50 : 120,023.78 = 37,902.63 : x
2. Step 2: Convert to fraction form
   79,992.50/120,023.78 = 37,902.63/x
3. Step 3: Cross multiply
   79,992.50x = 120,023.78 × 37,902.63
4. Step 4: Simplify right side
   79,992.50x = 4,549,217,185.12
5. Step 5: Solve for x
   x = 4,549,217,185.12/79,992.50
6. Step 6: Final answer
   x = 56,870.55