Finding the Fourth Proportional to 52,792.64, 72,929.76 and 42,168.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,792.64 : 72,929.76 = 42,168.32 : x
2. Step 2: Convert to fraction form
   52,792.64/72,929.76 = 42,168.32/x
3. Step 3: Cross multiply
   52,792.64x = 72,929.76 × 42,168.32
4. Step 4: Simplify right side
   52,792.64x = 3,075,325,457.20
5. Step 5: Solve for x
   x = 3,075,325,457.20/52,792.64
6. Step 6: Final answer
   x = 58,252.92