Finding the Fourth Proportional to 9,859.32, 14,781.15 and 4,926.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,859.32 : 14,781.15 = 4,926.42 : x
2. Step 2: Convert to fraction form
   9,859.32/14,781.15 = 4,926.42/x
3. Step 3: Cross multiply
   9,859.32x = 14,781.15 × 4,926.42
4. Step 4: Simplify right side
   9,859.32x = 72,818,152.98
5. Step 5: Solve for x
   x = 72,818,152.98/9,859.32
6. Step 6: Final answer
   x = 7,385.72