Finding the Fourth Proportional to 56,661.39, 78,196.59 and 37,507.86

Step by Step Solution

1. Step 1: Write the proportion equation
   56,661.39 : 78,196.59 = 37,507.86 : x
2. Step 2: Convert to fraction form
   56,661.39/78,196.59 = 37,507.86/x
3. Step 3: Cross multiply
   56,661.39x = 78,196.59 × 37,507.86
4. Step 4: Simplify right side
   56,661.39x = 2,932,986,750.20
5. Step 5: Solve for x
   x = 2,932,986,750.20/56,661.39
6. Step 6: Final answer
   x = 51,763.41