Finding the Fourth Proportional to 85,786,546.72, 128,607,495.94 and 37,227,820.28

Step by Step Solution

1. Step 1: Write the proportion equation
   85,786,546.72 : 128,607,495.94 = 37,227,820.28 : x
2. Step 2: Convert to fraction form
   85,786,546.72/128,607,495.94 = 37,227,820.28/x
3. Step 3: Cross multiply
   85,786,546.72x = 128,607,495.94 × 37,227,820.28
4. Step 4: Simplify right side
   85,786,546.72x = 4,787,776,745,515,150
5. Step 5: Solve for x
   x = 4,787,776,745,515,150/85,786,546.72
6. Step 6: Final answer
   x = 55,810,344.73