Finding the Fourth Proportional to 78,241.47, 107,970.32 and 46,391.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,241.47 : 107,970.32 = 46,391.31 : x
2. Step 2: Convert to fraction form
   78,241.47/107,970.32 = 46,391.31/x
3. Step 3: Cross multiply
   78,241.47x = 107,970.32 × 46,391.31
4. Step 4: Simplify right side
   78,241.47x = 5,008,884,353.96
5. Step 5: Solve for x
   x = 5,008,884,353.96/78,241.47
6. Step 6: Final answer
   x = 64,018.28