Finding the Fourth Proportional to 140,063,863.54, 210,124,140.15 and 49,194,538.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,063,863.54 : 210,124,140.15 = 49,194,538.42 : x
2. Step 2: Convert to fraction form
   140,063,863.54/210,124,140.15 = 49,194,538.42/x
3. Step 3: Cross multiply
   140,063,863.54x = 210,124,140.15 × 49,194,538.42
4. Step 4: Simplify right side
   140,063,863.54x = 10,336,960,085,578,640
5. Step 5: Solve for x
   x = 10,336,960,085,578,640/140,063,863.54
6. Step 6: Final answer
   x = 73,801,763.17