Finding the Fourth Proportional to 78,746.24, 118,167.59 and 31,384.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,746.24 : 118,167.59 = 31,384.06 : x
2. Step 2: Convert to fraction form
   78,746.24/118,167.59 = 31,384.06/x
3. Step 3: Cross multiply
   78,746.24x = 118,167.59 × 31,384.06
4. Step 4: Simplify right side
   78,746.24x = 3,708,578,517.66
5. Step 5: Solve for x
   x = 3,708,578,517.66/78,746.24
6. Step 6: Final answer
   x = 47,095.31