Finding the Fourth Proportional to 22,157,465.52, 30,582,404.25 and 12,993,060.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157,465.52 : 30,582,404.25 = 12,993,060.72 : x
2. Step 2: Convert to fraction form
   22,157,465.52/30,582,404.25 = 12,993,060.72/x
3. Step 3: Cross multiply
   22,157,465.52x = 30,582,404.25 × 12,993,060.72
4. Step 4: Simplify right side
   22,157,465.52x = 397,359,035,383,836.06
5. Step 5: Solve for x
   x = 397,359,035,383,836.06/22,157,465.52
6. Step 6: Final answer
   x = 17,933,415.49