Finding the Fourth Proportional to 104,046,643.30, 155,902,003.35 and 65,639,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   104,046,643.30 : 155,902,003.35 = 65,639,424.10 : x
2. Step 2: Convert to fraction form
   104,046,643.30/155,902,003.35 = 65,639,424.10/x
3. Step 3: Cross multiply
   104,046,643.30x = 155,902,003.35 × 65,639,424.10
4. Step 4: Simplify right side
   104,046,643.30x = 10,233,317,715,930,270
5. Step 5: Solve for x
   x = 10,233,317,715,930,270/104,046,643.30
6. Step 6: Final answer
   x = 98,353,174.99