Finding the Fourth Proportional to 65,826.74, 90,746.42 and 46,931.06

Step by Step Solution

1. Step 1: Write the proportion equation
   65,826.74 : 90,746.42 = 46,931.06 : x
2. Step 2: Convert to fraction form
   65,826.74/90,746.42 = 46,931.06/x
3. Step 3: Cross multiply
   65,826.74x = 90,746.42 × 46,931.06
4. Step 4: Simplify right side
   65,826.74x = 4,258,825,681.81
5. Step 5: Solve for x
   x = 4,258,825,681.81/65,826.74
6. Step 6: Final answer
   x = 64,697.50