Finding the Fourth Proportional to 46,487, 69,983.46 and 42,353.58

Step by Step Solution

1. Step 1: Write the proportion equation
   46,487 : 69,983.46 = 42,353.58 : x
2. Step 2: Convert to fraction form
   46,487/69,983.46 = 42,353.58/x
3. Step 3: Cross multiply
   46,487x = 69,983.46 × 42,353.58
4. Step 4: Simplify right side
   46,487x = 2,964,050,071.79
5. Step 5: Solve for x
   x = 2,964,050,071.79/46,487
6. Step 6: Final answer
   x = 63,760.84