Finding the Fourth Proportional to 6,021,892.80, 8,298,756.72 and 5,911,225.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,021,892.80 : 8,298,756.72 = 5,911,225.20 : x
2. Step 2: Convert to fraction form
   6,021,892.80/8,298,756.72 = 5,911,225.20/x
3. Step 3: Cross multiply
   6,021,892.80x = 8,298,756.72 × 5,911,225.20
4. Step 4: Simplify right side
   6,021,892.80x = 49,055,819,851,933.34
5. Step 5: Solve for x
   x = 49,055,819,851,933.34/6,021,892.80
6. Step 6: Final answer
   x = 8,146,245.95