Finding the Fourth Proportional to 139,968,498.10, 209,952,747.15 and 134,299,794.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,498.10 : 209,952,747.15 = 134,299,794.10 : x
2. Step 2: Convert to fraction form
   139,968,498.10/209,952,747.15 = 134,299,794.10/x
3. Step 3: Cross multiply
   139,968,498.10x = 209,952,747.15 × 134,299,794.10
4. Step 4: Simplify right side
   139,968,498.10x = 28,196,610,712,974,360
5. Step 5: Solve for x
   x = 28,196,610,712,974,360/139,968,498.10
6. Step 6: Final answer
   x = 201,449,691.15