Finding the Fourth Proportional to 208,345.95, 287,564.59 and 117,754.46

Step by Step Solution

1. Step 1: Write the proportion equation
   208,345.95 : 287,564.59 = 117,754.46 : x
2. Step 2: Convert to fraction form
   208,345.95/287,564.59 = 117,754.46/x
3. Step 3: Cross multiply
   208,345.95x = 287,564.59 × 117,754.46
4. Step 4: Simplify right side
   208,345.95x = 33,862,013,435.10
5. Step 5: Solve for x
   x = 33,862,013,435.10/208,345.95
6. Step 6: Final answer
   x = 162,527.82