Finding the Fourth Proportional to 83,789,974.72, 115,628,770.56 and 46,619,865.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,789,974.72 : 115,628,770.56 = 46,619,865.28 : x
2. Step 2: Convert to fraction form
   83,789,974.72/115,628,770.56 = 46,619,865.28/x
3. Step 3: Cross multiply
   83,789,974.72x = 115,628,770.56 × 46,619,865.28
4. Step 4: Simplify right side
   83,789,974.72x = 5,390,597,705,999,230
5. Step 5: Solve for x
   x = 5,390,597,705,999,230/83,789,974.72
6. Step 6: Final answer
   x = 64,334,638.17