Finding the Fourth Proportional to 6,472.04, 8,931.78 and 4,897.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,472.04 : 8,931.78 = 4,897.40 : x
2. Step 2: Convert to fraction form
   6,472.04/8,931.78 = 4,897.40/x
3. Step 3: Cross multiply
   6,472.04x = 8,931.78 × 4,897.40
4. Step 4: Simplify right side
   6,472.04x = 43,742,499.37
5. Step 5: Solve for x
   x = 43,742,499.37/6,472.04
6. Step 6: Final answer
   x = 6,758.69