Finding the Fourth Proportional to 65,030.88, 89,752.15 and 38,188.09

Step by Step Solution

1. Step 1: Write the proportion equation
   65,030.88 : 89,752.15 = 38,188.09 : x
2. Step 2: Convert to fraction form
   65,030.88/89,752.15 = 38,188.09/x
3. Step 3: Cross multiply
   65,030.88x = 89,752.15 × 38,188.09
4. Step 4: Simplify right side
   65,030.88x = 3,427,463,181.89
5. Step 5: Solve for x
   x = 3,427,463,181.89/65,030.88
6. Step 6: Final answer
   x = 52,705.16