Finding the Fourth Proportional to 42,958.09, 64,484.27 and 34,130.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,958.09 : 64,484.27 = 34,130.16 : x
2. Step 2: Convert to fraction form
   42,958.09/64,484.27 = 34,130.16/x
3. Step 3: Cross multiply
   42,958.09x = 64,484.27 × 34,130.16
4. Step 4: Simplify right side
   42,958.09x = 2,200,858,779.72
5. Step 5: Solve for x
   x = 2,200,858,779.72/42,958.09
6. Step 6: Final answer
   x = 51,232.70