Finding the Fourth Proportional to 9,052,766.30, 12,493,146 and 5,186,034.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052,766.30 : 12,493,146 = 5,186,034.78 : x
2. Step 2: Convert to fraction form
   9,052,766.30/12,493,146 = 5,186,034.78/x
3. Step 3: Cross multiply
   9,052,766.30x = 12,493,146 × 5,186,034.78
4. Step 4: Simplify right side
   9,052,766.30x = 64,789,889,667,617.88
5. Step 5: Solve for x
   x = 64,789,889,667,617.88/9,052,766.30
6. Step 6: Final answer
   x = 7,156,916.19