Finding the Fourth Proportional to 10,865,420.54, 14,994,399.69 and 5,970,643.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865,420.54 : 14,994,399.69 = 5,970,643.91 : x
2. Step 2: Convert to fraction form
   10,865,420.54/14,994,399.69 = 5,970,643.91/x
3. Step 3: Cross multiply
   10,865,420.54x = 14,994,399.69 × 5,970,643.91
4. Step 4: Simplify right side
   10,865,420.54x = 89,526,221,118,232.39
5. Step 5: Solve for x
   x = 89,526,221,118,232.39/10,865,420.54
6. Step 6: Final answer
   x = 8,239,554.17