Finding the Fourth Proportional to 140,194,654.74, 193,467,710.25 and 78,314,452.02

Step by Step Solution

1. Step 1: Write the proportion equation
   140,194,654.74 : 193,467,710.25 = 78,314,452.02 : x
2. Step 2: Convert to fraction form
   140,194,654.74/193,467,710.25 = 78,314,452.02/x
3. Step 3: Cross multiply
   140,194,654.74x = 193,467,710.25 × 78,314,452.02
4. Step 4: Simplify right side
   140,194,654.74x = 15,151,317,711,792,886
5. Step 5: Solve for x
   x = 15,151,317,711,792,886/140,194,654.74
6. Step 6: Final answer
   x = 108,073,433.61