Finding the Fourth Proportional to 46,488.56, 69,731.88 and 31,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   46,488.56 : 69,731.88 = 31,502.72 : x
2. Step 2: Convert to fraction form
   46,488.56/69,731.88 = 31,502.72/x
3. Step 3: Cross multiply
   46,488.56x = 69,731.88 × 31,502.72
4. Step 4: Simplify right side
   46,488.56x = 2,196,743,890.71
5. Step 5: Solve for x
   x = 2,196,743,890.71/46,488.56
6. Step 6: Final answer
   x = 47,253.43