Finding the Fourth Proportional to 65,259.84, 90,047.30 and 38,407.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,259.84 : 90,047.30 = 38,407.98 : x
2. Step 2: Convert to fraction form
   65,259.84/90,047.30 = 38,407.98/x
3. Step 3: Cross multiply
   65,259.84x = 90,047.30 × 38,407.98
4. Step 4: Simplify right side
   65,259.84x = 3,458,534,897.45
5. Step 5: Solve for x
   x = 3,458,534,897.45/65,259.84
6. Step 6: Final answer
   x = 52,996.37