Finding the Fourth Proportional to 12,775,360.38, 19,166,061.06 and 4,139,446.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,775,360.38 : 19,166,061.06 = 4,139,446.56 : x
2. Step 2: Convert to fraction form
   12,775,360.38/19,166,061.06 = 4,139,446.56/x
3. Step 3: Cross multiply
   12,775,360.38x = 19,166,061.06 × 4,139,446.56
4. Step 4: Simplify right side
   12,775,360.38x = 79,336,885,523,566.95
5. Step 5: Solve for x
   x = 79,336,885,523,566.95/12,775,360.38
6. Step 6: Final answer
   x = 6,210,148.53