Finding the Fourth Proportional to 101,391.71, 152,089.61 and 31,271.03

Step by Step Solution

1. Step 1: Write the proportion equation
   101,391.71 : 152,089.61 = 31,271.03 : x
2. Step 2: Convert to fraction form
   101,391.71/152,089.61 = 31,271.03/x
3. Step 3: Cross multiply
   101,391.71x = 152,089.61 × 31,271.03
4. Step 4: Simplify right side
   101,391.71x = 4,755,997,840.20
5. Step 5: Solve for x
   x = 4,755,997,840.20/101,391.71
6. Step 6: Final answer
   x = 46,907.17