Finding the Fourth Proportional to 3,373,638.85, 5,060,720.72 and 977,517.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,373,638.85 : 5,060,720.72 = 977,517.91 : x
2. Step 2: Convert to fraction form
   3,373,638.85/5,060,720.72 = 977,517.91/x
3. Step 3: Cross multiply
   3,373,638.85x = 5,060,720.72 × 977,517.91
4. Step 4: Simplify right side
   3,373,638.85x = 4,946,945,141,308.10
5. Step 5: Solve for x
   x = 4,946,945,141,308.10/3,373,638.85
6. Step 6: Final answer
   x = 1,466,352.91