Finding the Fourth Proportional to 48,978.29, 67,580.77 and 46,486.93

Step by Step Solution

1. Step 1: Write the proportion equation
   48,978.29 : 67,580.77 = 46,486.93 : x
2. Step 2: Convert to fraction form
   48,978.29/67,580.77 = 46,486.93/x
3. Step 3: Cross multiply
   48,978.29x = 67,580.77 × 46,486.93
4. Step 4: Simplify right side
   48,978.29x = 3,141,622,524.34
5. Step 5: Solve for x
   x = 3,141,622,524.34/48,978.29
6. Step 6: Final answer
   x = 64,143.16