Finding the Fourth Proportional to 113,655.56, 170,532.50 and 61,003.53

Step by Step Solution

1. Step 1: Write the proportion equation
   113,655.56 : 170,532.50 = 61,003.53 : x
2. Step 2: Convert to fraction form
   113,655.56/170,532.50 = 61,003.53/x
3. Step 3: Cross multiply
   113,655.56x = 170,532.50 × 61,003.53
4. Step 4: Simplify right side
   113,655.56x = 10,403,084,174.71
5. Step 5: Solve for x
   x = 10,403,084,174.71/113,655.56
6. Step 6: Final answer
   x = 91,531.68