Finding the Fourth Proportional to 62,985.32, 86,917.22 and 34,689

Step by Step Solution

1. Step 1: Write the proportion equation
   62,985.32 : 86,917.22 = 34,689 : x
2. Step 2: Convert to fraction form
   62,985.32/86,917.22 = 34,689/x
3. Step 3: Cross multiply
   62,985.32x = 86,917.22 × 34,689
4. Step 4: Simplify right side
   62,985.32x = 3,015,071,444.58
5. Step 5: Solve for x
   x = 3,015,071,444.58/62,985.32
6. Step 6: Final answer
   x = 47,869.43