Finding the Fourth Proportional to 112,828.48, 155,710.56 and 62,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,828.48 : 155,710.56 = 62,530.72 : x
2. Step 2: Convert to fraction form
   112,828.48/155,710.56 = 62,530.72/x
3. Step 3: Cross multiply
   112,828.48x = 155,710.56 × 62,530.72
4. Step 4: Simplify right side
   112,828.48x = 9,736,693,428.40
5. Step 5: Solve for x
   x = 9,736,693,428.40/112,828.48
6. Step 6: Final answer
   x = 86,296.42