Finding the Fourth Proportional to 5,465,123.30, 8,190,686.55 and 4,196,663.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,465,123.30 : 8,190,686.55 = 4,196,663.30 : x
2. Step 2: Convert to fraction form
   5,465,123.30/8,190,686.55 = 4,196,663.30/x
3. Step 3: Cross multiply
   5,465,123.30x = 8,190,686.55 × 4,196,663.30
4. Step 4: Simplify right side
   5,465,123.30x = 34,373,553,646,188.61
5. Step 5: Solve for x
   x = 34,373,553,646,188.61/5,465,123.30
6. Step 6: Final answer
   x = 6,289,620.88