Finding the Fourth Proportional to 62,971.89, 86,873.07 and 42,547.35

Step by Step Solution

1. Step 1: Write the proportion equation
   62,971.89 : 86,873.07 = 42,547.35 : x
2. Step 2: Convert to fraction form
   62,971.89/86,873.07 = 42,547.35/x
3. Step 3: Cross multiply
   62,971.89x = 86,873.07 × 42,547.35
4. Step 4: Simplify right side
   62,971.89x = 3,696,218,914.86
5. Step 5: Solve for x
   x = 3,696,218,914.86/62,971.89
6. Step 6: Final answer
   x = 58,696.33