Finding the Fourth Proportional to 139,939,792.16, 209,911,554.52 and 49,066,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   139,939,792.16 : 209,911,554.52 = 49,066,034.72 : x
2. Step 2: Convert to fraction form
   139,939,792.16/209,911,554.52 = 49,066,034.72/x
3. Step 3: Cross multiply
   139,939,792.16x = 209,911,554.52 × 49,066,034.72
4. Step 4: Simplify right side
   139,939,792.16x = 10,299,527,622,207,494
5. Step 5: Solve for x
   x = 10,299,527,622,207,494/139,939,792.16
6. Step 6: Final answer
   x = 73,599,706.44