Finding the Fourth Proportional to 110,498.58, 152,448.05 and 72,279.92

Step by Step Solution

1. Step 1: Write the proportion equation
   110,498.58 : 152,448.05 = 72,279.92 : x
2. Step 2: Convert to fraction form
   110,498.58/152,448.05 = 72,279.92/x
3. Step 3: Cross multiply
   110,498.58x = 152,448.05 × 72,279.92
4. Step 4: Simplify right side
   110,498.58x = 11,018,932,858.16
5. Step 5: Solve for x
   x = 11,018,932,858.16/110,498.58
6. Step 6: Final answer
   x = 99,720.13