Finding the Fourth Proportional to 53,700.42, 74,109.04 and 29,827.20

Step by Step Solution

1. Step 1: Write the proportion equation
   53,700.42 : 74,109.04 = 29,827.20 : x
2. Step 2: Convert to fraction form
   53,700.42/74,109.04 = 29,827.20/x
3. Step 3: Cross multiply
   53,700.42x = 74,109.04 × 29,827.20
4. Step 4: Simplify right side
   53,700.42x = 2,210,465,157.89
5. Step 5: Solve for x
   x = 2,210,465,157.89/53,700.42
6. Step 6: Final answer
   x = 41,162.90