Finding the Fourth Proportional to 62,849.03, 86,646.77 and 42,670.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,849.03 : 86,646.77 = 42,670.88 : x
2. Step 2: Convert to fraction form
   62,849.03/86,646.77 = 42,670.88/x
3. Step 3: Cross multiply
   62,849.03x = 86,646.77 × 42,670.88
4. Step 4: Simplify right side
   62,849.03x = 3,697,293,711.70
5. Step 5: Solve for x
   x = 3,697,293,711.70/62,849.03
6. Step 6: Final answer
   x = 58,828.17