Finding the Fourth Proportional to 56,870.13, 85,321.59 and 17,433.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,870.13 : 85,321.59 = 17,433.06 : x
2. Step 2: Convert to fraction form
   56,870.13/85,321.59 = 17,433.06/x
3. Step 3: Cross multiply
   56,870.13x = 85,321.59 × 17,433.06
4. Step 4: Simplify right side
   56,870.13x = 1,487,416,397.77
5. Step 5: Solve for x
   x = 1,487,416,397.77/56,870.13
6. Step 6: Final answer
   x = 26,154.62