Finding the Fourth Proportional to 117,417.31, 162,051.15 and 65,754.08

Step by Step Solution

1. Step 1: Write the proportion equation
   117,417.31 : 162,051.15 = 65,754.08 : x
2. Step 2: Convert to fraction form
   117,417.31/162,051.15 = 65,754.08/x
3. Step 3: Cross multiply
   117,417.31x = 162,051.15 × 65,754.08
4. Step 4: Simplify right side
   117,417.31x = 10,655,524,325.21
5. Step 5: Solve for x
   x = 10,655,524,325.21/117,417.31
6. Step 6: Final answer
   x = 90,749.18