Finding the Fourth Proportional to 329,077.40, 493,513.94 and 118,688

Step by Step Solution

1. Step 1: Write the proportion equation
   329,077.40 : 493,513.94 = 118,688 : x
2. Step 2: Convert to fraction form
   329,077.40/493,513.94 = 118,688/x
3. Step 3: Cross multiply
   329,077.40x = 493,513.94 × 118,688
4. Step 4: Simplify right side
   329,077.40x = 58,574,182,510.72
5. Step 5: Solve for x
   x = 58,574,182,510.72/329,077.40
6. Step 6: Final answer
   x = 177,995.15