Finding the Fourth Proportional to 108,645,784.10, 162,968,676.15 and 83,136,616.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,645,784.10 : 162,968,676.15 = 83,136,616.10 : x
2. Step 2: Convert to fraction form
   108,645,784.10/162,968,676.15 = 83,136,616.10/x
3. Step 3: Cross multiply
   108,645,784.10x = 162,968,676.15 × 83,136,616.10
4. Step 4: Simplify right side
   108,645,784.10x = 13,548,664,265,407,776
5. Step 5: Solve for x
   x = 13,548,664,265,407,776/108,645,784.10
6. Step 6: Final answer
   x = 124,704,924.15