Finding the Fourth Proportional to 99,758,715,414, 137,665,930,544.28 and 54,031,853,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,758,715,414 : 137,665,930,544.28 = 54,031,853,304.96 : x
2. Step 2: Convert to fraction form
   99,758,715,414/137,665,930,544.28 = 54,031,853,304.96/x
3. Step 3: Cross multiply
   99,758,715,414x = 137,665,930,544.28 × 54,031,853,304.96
4. Step 4: Simplify right side
   99,758,715,414x = 7,438,345,364,259,348,676,608
5. Step 5: Solve for x
   x = 7,438,345,364,259,348,676,608/99,758,715,414
6. Step 6: Final answer
   x = 74,563,363,545.63