Finding the Fourth Proportional to 74,100.01, 111,116.40 and 31,960.18

Step by Step Solution

1. Step 1: Write the proportion equation
   74,100.01 : 111,116.40 = 31,960.18 : x
2. Step 2: Convert to fraction form
   74,100.01/111,116.40 = 31,960.18/x
3. Step 3: Cross multiply
   74,100.01x = 111,116.40 × 31,960.18
4. Step 4: Simplify right side
   74,100.01x = 3,551,300,144.95
5. Step 5: Solve for x
   x = 3,551,300,144.95/74,100.01
6. Step 6: Final answer
   x = 47,925.77