Finding the Fourth Proportional to 142,605,157.33, 196,812,495.24 and 83,864,983.60

Step by Step Solution

1. Step 1: Write the proportion equation
   142,605,157.33 : 196,812,495.24 = 83,864,983.60 : x
2. Step 2: Convert to fraction form
   142,605,157.33/196,812,495.24 = 83,864,983.60/x
3. Step 3: Cross multiply
   142,605,157.33x = 196,812,495.24 × 83,864,983.60
4. Step 4: Simplify right side
   142,605,157.33x = 16,505,676,684,593,616
5. Step 5: Solve for x
   x = 16,505,676,684,593,616/142,605,157.33
6. Step 6: Final answer
   x = 115,743,897.31