Finding the Fourth Proportional to 78,499.04, 117,748.59 and 19,335.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,499.04 : 117,748.59 = 19,335.86 : x
2. Step 2: Convert to fraction form
   78,499.04/117,748.59 = 19,335.86/x
3. Step 3: Cross multiply
   78,499.04x = 117,748.59 × 19,335.86
4. Step 4: Simplify right side
   78,499.04x = 2,276,770,251.44
5. Step 5: Solve for x
   x = 2,276,770,251.44/78,499.04
6. Step 6: Final answer
   x = 29,003.80