Finding the Fourth Proportional to 154,300,064.20, 212,934,646.06 and 83,735,659.08

Step by Step Solution

1. Step 1: Write the proportion equation
   154,300,064.20 : 212,934,646.06 = 83,735,659.08 : x
2. Step 2: Convert to fraction form
   154,300,064.20/212,934,646.06 = 83,735,659.08/x
3. Step 3: Cross multiply
   154,300,064.20x = 212,934,646.06 × 83,735,659.08
4. Step 4: Simplify right side
   154,300,064.20x = 17,830,222,928,800,626
5. Step 5: Solve for x
   x = 17,830,222,928,800,626/154,300,064.20
6. Step 6: Final answer
   x = 115,555,512.06