Finding the Fourth Proportional to 78,999.56, 118,499.46 and 31,635.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,999.56 : 118,499.46 = 31,635.98 : x
2. Step 2: Convert to fraction form
   78,999.56/118,499.46 = 31,635.98/x
3. Step 3: Cross multiply
   78,999.56x = 118,499.46 × 31,635.98
4. Step 4: Simplify right side
   78,999.56x = 3,748,846,546.57
5. Step 5: Solve for x
   x = 3,748,846,546.57/78,999.56
6. Step 6: Final answer
   x = 47,454.02