Finding the Fourth Proportional to 676,947.07, 934,611.72 and 435,648.98

Step by Step Solution

1. Step 1: Write the proportion equation
   676,947.07 : 934,611.72 = 435,648.98 : x
2. Step 2: Convert to fraction form
   676,947.07/934,611.72 = 435,648.98/x
3. Step 3: Cross multiply
   676,947.07x = 934,611.72 × 435,648.98
4. Step 4: Simplify right side
   676,947.07x = 407,162,643,216.89
5. Step 5: Solve for x
   x = 407,162,643,216.89/676,947.07
6. Step 6: Final answer
   x = 601,468.95