Finding the Fourth Proportional to 117,513.98, 162,008.62 and 80,719.07

Step by Step Solution

1. Step 1: Write the proportion equation
   117,513.98 : 162,008.62 = 80,719.07 : x
2. Step 2: Convert to fraction form
   117,513.98/162,008.62 = 80,719.07/x
3. Step 3: Cross multiply
   117,513.98x = 162,008.62 × 80,719.07
4. Step 4: Simplify right side
   117,513.98x = 13,077,185,341.61
5. Step 5: Solve for x
   x = 13,077,185,341.61/117,513.98
6. Step 6: Final answer
   x = 111,281.96