Finding the Fourth Proportional to 58,572.51, 80,809.16 and 35,903.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,572.51 : 80,809.16 = 35,903.31 : x
2. Step 2: Convert to fraction form
   58,572.51/80,809.16 = 35,903.31/x
3. Step 3: Cross multiply
   58,572.51x = 80,809.16 × 35,903.31
4. Step 4: Simplify right side
   58,572.51x = 2,901,316,142.80
5. Step 5: Solve for x
   x = 2,901,316,142.80/58,572.51
6. Step 6: Final answer
   x = 49,533.75