Finding the Fourth Proportional to 53,433,974.34, 80,101,097.91 and 21,086,144.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,433,974.34 : 80,101,097.91 = 21,086,144.82 : x
2. Step 2: Convert to fraction form
   53,433,974.34/80,101,097.91 = 21,086,144.82/x
3. Step 3: Cross multiply
   53,433,974.34x = 80,101,097.91 × 21,086,144.82
4. Step 4: Simplify right side
   53,433,974.34x = 1,689,023,350,771,259.25
5. Step 5: Solve for x
   x = 1,689,023,350,771,259.25/53,433,974.34
6. Step 6: Final answer
   x = 31,609,540.03