Finding the Fourth Proportional to 65,886.96, 90,925.20 and 37,212.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,886.96 : 90,925.20 = 37,212.56 : x
2. Step 2: Convert to fraction form
   65,886.96/90,925.20 = 37,212.56/x
3. Step 3: Cross multiply
   65,886.96x = 90,925.20 × 37,212.56
4. Step 4: Simplify right side
   65,886.96x = 3,383,559,460.51
5. Step 5: Solve for x
   x = 3,383,559,460.51/65,886.96
6. Step 6: Final answer
   x = 51,354.01