Finding the Fourth Proportional to 30,748,153.91, 42,432,956.79 and 18,359,329.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,748,153.91 : 42,432,956.79 = 18,359,329.82 : x
2. Step 2: Convert to fraction form
   30,748,153.91/42,432,956.79 = 18,359,329.82/x
3. Step 3: Cross multiply
   30,748,153.91x = 42,432,956.79 × 18,359,329.82
4. Step 4: Simplify right side
   30,748,153.91x = 779,040,648,945,418.50
5. Step 5: Solve for x
   x = 779,040,648,945,418.50/30,748,153.91
6. Step 6: Final answer
   x = 25,336,176.32