Finding the Fourth Proportional to 113,303.89, 156,347.10 and 65,548.31

Step by Step Solution

1. Step 1: Write the proportion equation
   113,303.89 : 156,347.10 = 65,548.31 : x
2. Step 2: Convert to fraction form
   113,303.89/156,347.10 = 65,548.31/x
3. Step 3: Cross multiply
   113,303.89x = 156,347.10 × 65,548.31
4. Step 4: Simplify right side
   113,303.89x = 10,248,288,569.27
5. Step 5: Solve for x
   x = 10,248,288,569.27/113,303.89
6. Step 6: Final answer
   x = 90,449.58