Finding the Fourth Proportional to 117,696.72, 162,422.52 and 63,981.74

Step by Step Solution

1. Step 1: Write the proportion equation
   117,696.72 : 162,422.52 = 63,981.74 : x
2. Step 2: Convert to fraction form
   117,696.72/162,422.52 = 63,981.74/x
3. Step 3: Cross multiply
   117,696.72x = 162,422.52 × 63,981.74
4. Step 4: Simplify right side
   117,696.72x = 10,392,075,444.78
5. Step 5: Solve for x
   x = 10,392,075,444.78/117,696.72
6. Step 6: Final answer
   x = 88,295.37