Finding the Fourth Proportional to 151,277,615.38, 208,859,498.80 and 123,466,664.30

Step by Step Solution

1. Step 1: Write the proportion equation
   151,277,615.38 : 208,859,498.80 = 123,466,664.30 : x
2. Step 2: Convert to fraction form
   151,277,615.38/208,859,498.80 = 123,466,664.30/x
3. Step 3: Cross multiply
   151,277,615.38x = 208,859,498.80 × 123,466,664.30
4. Step 4: Simplify right side
   151,277,615.38x = 25,787,185,625,776,892
5. Step 5: Solve for x
   x = 25,787,185,625,776,892/151,277,615.38
6. Step 6: Final answer
   x = 170,462,666.02