Finding the Fourth Proportional to 2,934,056.55, 4,397,978.58 and 986,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934,056.55 : 4,397,978.58 = 986,931.50 : x
2. Step 2: Convert to fraction form
   2,934,056.55/4,397,978.58 = 986,931.50/x
3. Step 3: Cross multiply
   2,934,056.55x = 4,397,978.58 × 986,931.50
4. Step 4: Simplify right side
   2,934,056.55x = 4,340,503,619,869.42
5. Step 5: Solve for x
   x = 4,340,503,619,869.42/2,934,056.55
6. Step 6: Final answer
   x = 1,479,352.41