Finding the Fourth Proportional to 139,252.71, 208,883.16 and 34,071.69

Step by Step Solution

1. Step 1: Write the proportion equation
   139,252.71 : 208,883.16 = 34,071.69 : x
2. Step 2: Convert to fraction form
   139,252.71/208,883.16 = 34,071.69/x
3. Step 3: Cross multiply
   139,252.71x = 208,883.16 × 34,071.69
4. Step 4: Simplify right side
   139,252.71x = 7,117,002,273.74
5. Step 5: Solve for x
   x = 7,117,002,273.74/139,252.71
6. Step 6: Final answer
   x = 51,108.54