Finding the Fourth Proportional to 99,416.98, 149,109.37 and 31,945.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,416.98 : 149,109.37 = 31,945.83 : x
2. Step 2: Convert to fraction form
   99,416.98/149,109.37 = 31,945.83/x
3. Step 3: Cross multiply
   99,416.98x = 149,109.37 × 31,945.83
4. Step 4: Simplify right side
   99,416.98x = 4,763,421,946.40
5. Step 5: Solve for x
   x = 4,763,421,946.40/99,416.98
6. Step 6: Final answer
   x = 47,913.56