Finding the Fourth Proportional to 9,057,789.80, 12,499,804.29 and 4,927,850.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057,789.80 : 12,499,804.29 = 4,927,850.57 : x
2. Step 2: Convert to fraction form
   9,057,789.80/12,499,804.29 = 4,927,850.57/x
3. Step 3: Cross multiply
   9,057,789.80x = 12,499,804.29 × 4,927,850.57
4. Step 4: Simplify right side
   9,057,789.80x = 61,597,167,676,885.52
5. Step 5: Solve for x
   x = 61,597,167,676,885.52/9,057,789.80
6. Step 6: Final answer
   x = 6,800,463.36