Finding the Fourth Proportional to 10,865,421.42, 14,994,400.91 and 5,970,644.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865,421.42 : 14,994,400.91 = 5,970,644.78 : x
2. Step 2: Convert to fraction form
   10,865,421.42/14,994,400.91 = 5,970,644.78/x
3. Step 3: Cross multiply
   10,865,421.42x = 14,994,400.91 × 5,970,644.78
4. Step 4: Simplify right side
   10,865,421.42x = 89,526,241,492,665.53
5. Step 5: Solve for x
   x = 89,526,241,492,665.53/10,865,421.42
6. Step 6: Final answer
   x = 8,239,555.38