Finding the Fourth Proportional to 19,678,773.42, 27,156,748.50 and 10,976,721.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,678,773.42 : 27,156,748.50 = 10,976,721.48 : x
2. Step 2: Convert to fraction form
   19,678,773.42/27,156,748.50 = 10,976,721.48/x
3. Step 3: Cross multiply
   19,678,773.42x = 27,156,748.50 × 10,976,721.48
4. Step 4: Simplify right side
   19,678,773.42x = 298,092,064,586,907.81
5. Step 5: Solve for x
   x = 298,092,064,586,907.81/19,678,773.42
6. Step 6: Final answer
   x = 15,147,898.61