Finding the Fourth Proportional to 61,089, 91,654.29 and 34,402.74

Step by Step Solution

1. Step 1: Write the proportion equation
   61,089 : 91,654.29 = 34,402.74 : x
2. Step 2: Convert to fraction form
   61,089/91,654.29 = 34,402.74/x
3. Step 3: Cross multiply
   61,089x = 91,654.29 × 34,402.74
4. Step 4: Simplify right side
   61,089x = 3,153,158,708.75
5. Step 5: Solve for x
   x = 3,153,158,708.75/61,089
6. Step 6: Final answer
   x = 51,615.82