Finding the Fourth Proportional to 42,323.18, 63,485.30 and 29,172.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,323.18 : 63,485.30 = 29,172.02 : x
2. Step 2: Convert to fraction form
   42,323.18/63,485.30 = 29,172.02/x
3. Step 3: Cross multiply
   42,323.18x = 63,485.30 × 29,172.02
4. Step 4: Simplify right side
   42,323.18x = 1,851,994,196.81
5. Step 5: Solve for x
   x = 1,851,994,196.81/42,323.18
6. Step 6: Final answer
   x = 43,758.39