Finding the Fourth Proportional to 151,277,615.38, 208,859,498.81 and 123,466,664.31

Step by Step Solution

1. Step 1: Write the proportion equation
   151,277,615.38 : 208,859,498.81 = 123,466,664.31 : x
2. Step 2: Convert to fraction form
   151,277,615.38/208,859,498.81 = 123,466,664.31/x
3. Step 3: Cross multiply
   151,277,615.38x = 208,859,498.81 × 123,466,664.31
4. Step 4: Simplify right side
   151,277,615.38x = 25,787,185,626,243,380
5. Step 5: Solve for x
   x = 25,787,185,626,243,380/151,277,615.38
6. Step 6: Final answer
   x = 170,462,666.02