Finding the Fourth Proportional to 65,153.03, 89,899.61 and 38,300.99

Step by Step Solution

1. Step 1: Write the proportion equation
   65,153.03 : 89,899.61 = 38,300.99 : x
2. Step 2: Convert to fraction form
   65,153.03/89,899.61 = 38,300.99/x
3. Step 3: Cross multiply
   65,153.03x = 89,899.61 × 38,300.99
4. Step 4: Simplify right side
   65,153.03x = 3,443,243,422.61
5. Step 5: Solve for x
   x = 3,443,243,422.61/65,153.03
6. Step 6: Final answer
   x = 52,848.56