Finding the Fourth Proportional to 62,784.79, 86,665.76 and 41,570.89

Step by Step Solution

1. Step 1: Write the proportion equation
   62,784.79 : 86,665.76 = 41,570.89 : x
2. Step 2: Convert to fraction form
   62,784.79/86,665.76 = 41,570.89/x
3. Step 3: Cross multiply
   62,784.79x = 86,665.76 × 41,570.89
4. Step 4: Simplify right side
   62,784.79x = 3,602,772,775.73
5. Step 5: Solve for x
   x = 3,602,772,775.73/62,784.79
6. Step 6: Final answer
   x = 57,382.89