Finding the Fourth Proportional to 14,380,142.34, 21,562,777.68 and 5,279,904.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,380,142.34 : 21,562,777.68 = 5,279,904.12 : x
2. Step 2: Convert to fraction form
   14,380,142.34/21,562,777.68 = 5,279,904.12/x
3. Step 3: Cross multiply
   14,380,142.34x = 21,562,777.68 × 5,279,904.12
4. Step 4: Simplify right side
   14,380,142.34x = 113,849,398,711,276.05
5. Step 5: Solve for x
   x = 113,849,398,711,276.05/14,380,142.34
6. Step 6: Final answer
   x = 7,917,125.99