Finding the Fourth Proportional to 153,830.21, 230,769.71 and 65,084.38

Step by Step Solution

1. Step 1: Write the proportion equation
   153,830.21 : 230,769.71 = 65,084.38 : x
2. Step 2: Convert to fraction form
   153,830.21/230,769.71 = 65,084.38/x
3. Step 3: Cross multiply
   153,830.21x = 230,769.71 × 65,084.38
4. Step 4: Simplify right side
   153,830.21x = 15,019,502,018.86
5. Step 5: Solve for x
   x = 15,019,502,018.86/153,830.21
6. Step 6: Final answer
   x = 97,636.88