Finding the Fourth Proportional to 16,267,978.72, 24,397,691.28 and 7,731,330.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,267,978.72 : 24,397,691.28 = 7,731,330.40 : x
2. Step 2: Convert to fraction form
   16,267,978.72/24,397,691.28 = 7,731,330.40/x
3. Step 3: Cross multiply
   16,267,978.72x = 24,397,691.28 × 7,731,330.40
4. Step 4: Simplify right side
   16,267,978.72x = 188,626,612,282,878.94
5. Step 5: Solve for x
   x = 188,626,612,282,878.94/16,267,978.72
6. Step 6: Final answer
   x = 11,594,963.06