Finding the Fourth Proportional to 112,520.22, 155,317.01 and 64,792.59

Step by Step Solution

1. Step 1: Write the proportion equation
   112,520.22 : 155,317.01 = 64,792.59 : x
2. Step 2: Convert to fraction form
   112,520.22/155,317.01 = 64,792.59/x
3. Step 3: Cross multiply
   112,520.22x = 155,317.01 × 64,792.59
4. Step 4: Simplify right side
   112,520.22x = 10,063,391,024.99
5. Step 5: Solve for x
   x = 10,063,391,024.99/112,520.22
6. Step 6: Final answer
   x = 89,436.29