Finding the Fourth Proportional to 112,499.73, 155,243.93 and 62,189.01

Step by Step Solution

1. Step 1: Write the proportion equation
   112,499.73 : 155,243.93 = 62,189.01 : x
2. Step 2: Convert to fraction form
   112,499.73/155,243.93 = 62,189.01/x
3. Step 3: Cross multiply
   112,499.73x = 155,243.93 × 62,189.01
4. Step 4: Simplify right side
   112,499.73x = 9,654,466,004.26
5. Step 5: Solve for x
   x = 9,654,466,004.26/112,499.73
6. Step 6: Final answer
   x = 85,817.68