Finding the Fourth Proportional to 62,884, 86,758.74 and 42,705.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,884 : 86,758.74 = 42,705.88 : x
2. Step 2: Convert to fraction form
   62,884/86,758.74 = 42,705.88/x
3. Step 3: Cross multiply
   62,884x = 86,758.74 × 42,705.88
4. Step 4: Simplify right side
   62,884x = 3,705,108,339.39
5. Step 5: Solve for x
   x = 3,705,108,339.39/62,884
6. Step 6: Final answer
   x = 58,919.73