Finding the Fourth Proportional to 25,069,020.42, 34,586,978.56 and 15,142,193.94

Step by Step Solution

1. Step 1: Write the proportion equation
   25,069,020.42 : 34,586,978.56 = 15,142,193.94 : x
2. Step 2: Convert to fraction form
   25,069,020.42/34,586,978.56 = 15,142,193.94/x
3. Step 3: Cross multiply
   25,069,020.42x = 34,586,978.56 × 15,142,193.94
4. Step 4: Simplify right side
   25,069,020.42x = 523,722,737,154,141.94
5. Step 5: Solve for x
   x = 523,722,737,154,141.94/25,069,020.42
6. Step 6: Final answer
   x = 20,891,232.62