Finding the Fourth Proportional to 79,987.56, 110,404.23 and 45,999.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,987.56 : 110,404.23 = 45,999.78 : x
2. Step 2: Convert to fraction form
   79,987.56/110,404.23 = 45,999.78/x
3. Step 3: Cross multiply
   79,987.56x = 110,404.23 × 45,999.78
4. Step 4: Simplify right side
   79,987.56x = 5,078,570,291.07
5. Step 5: Solve for x
   x = 5,078,570,291.07/79,987.56
6. Step 6: Final answer
   x = 63,492.00