Finding the Fourth Proportional to 55,404.74, 76,419.73 and 37,491.86

Step by Step Solution

1. Step 1: Write the proportion equation
   55,404.74 : 76,419.73 = 37,491.86 : x
2. Step 2: Convert to fraction form
   55,404.74/76,419.73 = 37,491.86/x
3. Step 3: Cross multiply
   55,404.74x = 76,419.73 × 37,491.86
4. Step 4: Simplify right side
   55,404.74x = 2,865,117,818.40
5. Step 5: Solve for x
   x = 2,865,117,818.40/55,404.74
6. Step 6: Final answer
   x = 51,712.50