Finding the Fourth Proportional to 6,428,068.12, 8,870,989.76 and 3,527,562.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428,068.12 : 8,870,989.76 = 3,527,562.79 : x
2. Step 2: Convert to fraction form
   6,428,068.12/8,870,989.76 = 3,527,562.79/x
3. Step 3: Cross multiply
   6,428,068.12x = 8,870,989.76 × 3,527,562.79
4. Step 4: Simplify right side
   6,428,068.12x = 31,292,973,387,847.03
5. Step 5: Solve for x
   x = 31,292,973,387,847.03/6,428,068.12
6. Step 6: Final answer
   x = 4,868,177.00