Finding the Fourth Proportional to 112,529.54, 155,309.86 and 64,810.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,529.54 : 155,309.86 = 64,810.52 : x
2. Step 2: Convert to fraction form
   112,529.54/155,309.86 = 64,810.52/x
3. Step 3: Cross multiply
   112,529.54x = 155,309.86 × 64,810.52
4. Step 4: Simplify right side
   112,529.54x = 10,065,712,011.18
5. Step 5: Solve for x
   x = 10,065,712,011.18/112,529.54
6. Step 6: Final answer
   x = 89,449.51