Finding the Fourth Proportional to 139,964,714.24, 210,040,716.42 and 58,083,589.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,964,714.24 : 210,040,716.42 = 58,083,589.76 : x
2. Step 2: Convert to fraction form
   139,964,714.24/210,040,716.42 = 58,083,589.76/x
3. Step 3: Cross multiply
   139,964,714.24x = 210,040,716.42 × 58,083,589.76
4. Step 4: Simplify right side
   139,964,714.24x = 12,199,918,805,435,774
5. Step 5: Solve for x
   x = 12,199,918,805,435,774/139,964,714.24
6. Step 6: Final answer
   x = 87,164,246.16