Finding the Fourth Proportional to 65,109.79, 89,851.95 and 37,902.07

Step by Step Solution

1. Step 1: Write the proportion equation
   65,109.79 : 89,851.95 = 37,902.07 : x
2. Step 2: Convert to fraction form
   65,109.79/89,851.95 = 37,902.07/x
3. Step 3: Cross multiply
   65,109.79x = 89,851.95 × 37,902.07
4. Step 4: Simplify right side
   65,109.79x = 3,405,574,898.54
5. Step 5: Solve for x
   x = 3,405,574,898.54/65,109.79
6. Step 6: Final answer
   x = 52,305.11