Finding the Fourth Proportional to 99,173,105.38, 136,897,379.47 and 74,464,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,173,105.38 : 136,897,379.47 = 74,464,641.82 : x
2. Step 2: Convert to fraction form
   99,173,105.38/136,897,379.47 = 74,464,641.82/x
3. Step 3: Cross multiply
   99,173,105.38x = 136,897,379.47 × 74,464,641.82
4. Step 4: Simplify right side
   99,173,105.38x = 10,194,014,328,330,170
5. Step 5: Solve for x
   x = 10,194,014,328,330,170/99,173,105.38
6. Step 6: Final answer
   x = 102,790,109.17