Finding the Fourth Proportional to 55,131.36, 76,124.13 and 42,364.41

Step by Step Solution

1. Step 1: Write the proportion equation
   55,131.36 : 76,124.13 = 42,364.41 : x
2. Step 2: Convert to fraction form
   55,131.36/76,124.13 = 42,364.41/x
3. Step 3: Cross multiply
   55,131.36x = 76,124.13 × 42,364.41
4. Step 4: Simplify right side
   55,131.36x = 3,224,953,854.21
5. Step 5: Solve for x
   x = 3,224,953,854.21/55,131.36
6. Step 6: Final answer
   x = 58,495.82