Finding the Fourth Proportional to 101,493.98, 152,255.56 and 31,378.76

Step by Step Solution

1. Step 1: Write the proportion equation
   101,493.98 : 152,255.56 = 31,378.76 : x
2. Step 2: Convert to fraction form
   101,493.98/152,255.56 = 31,378.76/x
3. Step 3: Cross multiply
   101,493.98x = 152,255.56 × 31,378.76
4. Step 4: Simplify right side
   101,493.98x = 4,777,590,675.91
5. Step 5: Solve for x
   x = 4,777,590,675.91/101,493.98
6. Step 6: Final answer
   x = 47,072.65