Finding the Fourth Proportional to 112,529.04, 155,309.17 and 64,810.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,529.04 : 155,309.17 = 64,810.02 : x
2. Step 2: Convert to fraction form
   112,529.04/155,309.17 = 64,810.02/x
3. Step 3: Cross multiply
   112,529.04x = 155,309.17 × 64,810.02
4. Step 4: Simplify right side
   112,529.04x = 10,065,590,413.88
5. Step 5: Solve for x
   x = 10,065,590,413.88/112,529.04
6. Step 6: Final answer
   x = 89,448.83