Finding the Fourth Proportional to 113,529.33, 156,670.50 and 65,810.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,529.33 : 156,670.50 = 65,810.37 : x
2. Step 2: Convert to fraction form
   113,529.33/156,670.50 = 65,810.37/x
3. Step 3: Cross multiply
   113,529.33x = 156,670.50 × 65,810.37
4. Step 4: Simplify right side
   113,529.33x = 10,310,543,573.09
5. Step 5: Solve for x
   x = 10,310,543,573.09/113,529.33
6. Step 6: Final answer
   x = 90,818.32