Finding the Fourth Proportional to 42,931.50, 64,322.16 and 29,792.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,931.50 : 64,322.16 = 29,792.22 : x
2. Step 2: Convert to fraction form
   42,931.50/64,322.16 = 29,792.22/x
3. Step 3: Cross multiply
   42,931.50x = 64,322.16 × 29,792.22
4. Step 4: Simplify right side
   42,931.50x = 1,916,299,941.60
5. Step 5: Solve for x
   x = 1,916,299,941.60/42,931.50
6. Step 6: Final answer
   x = 44,636.22