Finding the Fourth Proportional to 53,577.10, 73,851.01 and 42,229

Step by Step Solution

1. Step 1: Write the proportion equation
   53,577.10 : 73,851.01 = 42,229 : x
2. Step 2: Convert to fraction form
   53,577.10/73,851.01 = 42,229/x
3. Step 3: Cross multiply
   53,577.10x = 73,851.01 × 42,229
4. Step 4: Simplify right side
   53,577.10x = 3,118,654,301.29
5. Step 5: Solve for x
   x = 3,118,654,301.29/53,577.10
6. Step 6: Final answer
   x = 58,208.72