Finding the Fourth Proportional to 112,529.94, 155,322.81 and 64,802.31

Step by Step Solution

1. Step 1: Write the proportion equation
   112,529.94 : 155,322.81 = 64,802.31 : x
2. Step 2: Convert to fraction form
   112,529.94/155,322.81 = 64,802.31/x
3. Step 3: Cross multiply
   112,529.94x = 155,322.81 × 64,802.31
4. Step 4: Simplify right side
   112,529.94x = 10,065,276,883.69
5. Step 5: Solve for x
   x = 10,065,276,883.69/112,529.94
6. Step 6: Final answer
   x = 89,445.32