Finding the Fourth Proportional to 78,910.93, 118,366.71 and 19,746.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,910.93 : 118,366.71 = 19,746.43 : x
2. Step 2: Convert to fraction form
   78,910.93/118,366.71 = 19,746.43/x
3. Step 3: Cross multiply
   78,910.93x = 118,366.71 × 19,746.43
4. Step 4: Simplify right side
   78,910.93x = 2,337,319,953.35
5. Step 5: Solve for x
   x = 2,337,319,953.35/78,910.93
6. Step 6: Final answer
   x = 29,619.72