Finding the Fourth Proportional to 516,300.68, 774,276.37 and 196,376.60

Step by Step Solution

1. Step 1: Write the proportion equation
   516,300.68 : 774,276.37 = 196,376.60 : x
2. Step 2: Convert to fraction form
   516,300.68/774,276.37 = 196,376.60/x
3. Step 3: Cross multiply
   516,300.68x = 774,276.37 × 196,376.60
4. Step 4: Simplify right side
   516,300.68x = 152,049,762,445.69
5. Step 5: Solve for x
   x = 152,049,762,445.69/516,300.68
6. Step 6: Final answer
   x = 294,498.47