Finding the Fourth Proportional to 78,009.31, 116,940.16 and 48,041.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,009.31 : 116,940.16 = 48,041.98 : x
2. Step 2: Convert to fraction form
   78,009.31/116,940.16 = 48,041.98/x
3. Step 3: Cross multiply
   78,009.31x = 116,940.16 × 48,041.98
4. Step 4: Simplify right side
   78,009.31x = 5,618,036,827.92
5. Step 5: Solve for x
   x = 5,618,036,827.92/78,009.31
6. Step 6: Final answer
   x = 72,017.52