Finding the Fourth Proportional to 434,399.71, 651,628.72 and 118,859.35

Step by Step Solution

1. Step 1: Write the proportion equation
   434,399.71 : 651,628.72 = 118,859.35 : x
2. Step 2: Convert to fraction form
   434,399.71/651,628.72 = 118,859.35/x
3. Step 3: Cross multiply
   434,399.71x = 651,628.72 × 118,859.35
4. Step 4: Simplify right side
   434,399.71x = 77,452,166,100.53
5. Step 5: Solve for x
   x = 77,452,166,100.53/434,399.71
6. Step 6: Final answer
   x = 178,297.00