Finding the Fourth Proportional to 112,500.34, 155,250.42 and 61,513.33

Step by Step Solution

1. Step 1: Write the proportion equation
   112,500.34 : 155,250.42 = 61,513.33 : x
2. Step 2: Convert to fraction form
   112,500.34/155,250.42 = 61,513.33/x
3. Step 3: Cross multiply
   112,500.34x = 155,250.42 × 61,513.33
4. Step 4: Simplify right side
   112,500.34x = 9,549,970,318.10
5. Step 5: Solve for x
   x = 9,549,970,318.10/112,500.34
6. Step 6: Final answer
   x = 84,888.37