Finding the Fourth Proportional to 101,393.60, 152,092.42 and 31,272.91

Step by Step Solution

1. Step 1: Write the proportion equation
   101,393.60 : 152,092.42 = 31,272.91 : x
2. Step 2: Convert to fraction form
   101,393.60/152,092.42 = 31,272.91/x
3. Step 3: Cross multiply
   101,393.60x = 152,092.42 × 31,272.91
4. Step 4: Simplify right side
   101,393.60x = 4,756,372,103.93
5. Step 5: Solve for x
   x = 4,756,372,103.93/101,393.60
6. Step 6: Final answer
   x = 46,909.99