Finding the Fourth Proportional to 58,734.86, 81,054.72 and 31,877.60

Step by Step Solution

1. Step 1: Write the proportion equation
   58,734.86 : 81,054.72 = 31,877.60 : x
2. Step 2: Convert to fraction form
   58,734.86/81,054.72 = 31,877.60/x
3. Step 3: Cross multiply
   58,734.86x = 81,054.72 × 31,877.60
4. Step 4: Simplify right side
   58,734.86x = 2,583,829,942.27
5. Step 5: Solve for x
   x = 2,583,829,942.27/58,734.86
6. Step 6: Final answer
   x = 43,991.42