Finding the Fourth Proportional to 78,997.56, 118,496.46 and 31,633.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,997.56 : 118,496.46 = 31,633.98 : x
2. Step 2: Convert to fraction form
   78,997.56/118,496.46 = 31,633.98/x
3. Step 3: Cross multiply
   78,997.56x = 118,496.46 × 31,633.98
4. Step 4: Simplify right side
   78,997.56x = 3,748,514,645.71
5. Step 5: Solve for x
   x = 3,748,514,645.71/78,997.56
6. Step 6: Final answer
   x = 47,451.02