Finding the Fourth Proportional to 7,377.51, 10,181.88 and 4,191.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,377.51 : 10,181.88 = 4,191.78 : x
2. Step 2: Convert to fraction form
   7,377.51/10,181.88 = 4,191.78/x
3. Step 3: Cross multiply
   7,377.51x = 10,181.88 × 4,191.78
4. Step 4: Simplify right side
   7,377.51x = 42,680,200.95
5. Step 5: Solve for x
   x = 42,680,200.95/7,377.51
6. Step 6: Final answer
   x = 5,785.18