Finding the Fourth Proportional to 66,422.41, 91,659.58 and 37,738.31

Step by Step Solution

1. Step 1: Write the proportion equation
   66,422.41 : 91,659.58 = 37,738.31 : x
2. Step 2: Convert to fraction form
   66,422.41/91,659.58 = 37,738.31/x
3. Step 3: Cross multiply
   66,422.41x = 91,659.58 × 37,738.31
4. Step 4: Simplify right side
   66,422.41x = 3,459,077,779.31
5. Step 5: Solve for x
   x = 3,459,077,779.31/66,422.41
6. Step 6: Final answer
   x = 52,076.97