Finding the Fourth Proportional to 58,032.07, 79,562.71 and 56,982.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,032.07 : 79,562.71 = 56,982.31 : x
2. Step 2: Convert to fraction form
   58,032.07/79,562.71 = 56,982.31/x
3. Step 3: Cross multiply
   58,032.07x = 79,562.71 × 56,982.31
4. Step 4: Simplify right side
   58,032.07x = 4,533,666,664.30
5. Step 5: Solve for x
   x = 4,533,666,664.30/58,032.07
6. Step 6: Final answer
   x = 78,123.47