Finding the Fourth Proportional to 112,520.47, 155,317.35 and 64,792.84

Step by Step Solution

1. Step 1: Write the proportion equation
   112,520.47 : 155,317.35 = 64,792.84 : x
2. Step 2: Convert to fraction form
   112,520.47/155,317.35 = 64,792.84/x
3. Step 3: Cross multiply
   112,520.47x = 155,317.35 × 64,792.84
4. Step 4: Simplify right side
   112,520.47x = 10,063,452,207.77
5. Step 5: Solve for x
   x = 10,063,452,207.77/112,520.47
6. Step 6: Final answer
   x = 89,436.64