Finding the Fourth Proportional to 112,830.42, 155,703.33 and 62,528.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,830.42 : 155,703.33 = 62,528.34 : x
2. Step 2: Convert to fraction form
   112,830.42/155,703.33 = 62,528.34/x
3. Step 3: Cross multiply
   112,830.42x = 155,703.33 × 62,528.34
4. Step 4: Simplify right side
   112,830.42x = 9,735,870,757.37
5. Step 5: Solve for x
   x = 9,735,870,757.37/112,830.42
6. Step 6: Final answer
   x = 86,287.64