Finding the Fourth Proportional to 10,449,915.31, 14,421,061.40 and 5,740,509.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449,915.31 : 14,421,061.40 = 5,740,509.36 : x
2. Step 2: Convert to fraction form
   10,449,915.31/14,421,061.40 = 5,740,509.36/x
3. Step 3: Cross multiply
   10,449,915.31x = 14,421,061.40 × 5,740,509.36
4. Step 4: Simplify right side
   10,449,915.31x = 82,784,237,947,834.72
5. Step 5: Solve for x
   x = 82,784,237,947,834.72/10,449,915.31
6. Step 6: Final answer
   x = 7,922,000.85